1	#ifndef CURLINC_CURL_H
2	#define CURLINC_CURL_H
3	/***************************************************************************
4	* _ _ ____ _
5	* Project ___| | | | _ \| |
6	* / __| | | | |_) | |
7	* | (__| |_| | _ <| |___
8	* \___|\___/|_| \_\_____|
9	*
10	* Copyright (C) 1998 - 2021, Daniel Stenberg, <daniel@haxx.se>, et al.
11	*
12	* This software is licensed as described in the file COPYING, which
13	* you should have received as part of this distribution. The terms
14	* are also available at https://curl.se/docs/copyright.html.
15	*
16	* You may opt to use, copy, modify, merge, publish, distribute and/or sell
17	* copies of the Software, and permit persons to whom the Software is
18	* furnished to do so, under the terms of the COPYING file.
19	*
20	* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
21	* KIND, either express or implied.
22	*
23	***************************************************************************/
24
25	/*
26	* If you have libcurl problems, all docs and details are found here:
27	* https://curl.se/libcurl/
28	*/
29
30	#ifdef CURL_NO_OLDIES
31	#define CURL_STRICTER
32	#endif
33
34	#include "curlver.h" /* libcurl version defines */
35	#include "system.h" /* determine things run-time */
36
37	/*
38	* Define CURL_WIN32 when build target is Win32 API
39	*/
40
41	#if (defined(_WIN32) || defined(__WIN32__) || defined(WIN32)) && \
42	!defined(__SYMBIAN32__)
43	#define CURL_WIN32
44	#endif
45
46	#include <stdio.h>
47	#include <limits.h>
48
49	#if (defined(__FreeBSD__) && (__FreeBSD__ >= 2)) || defined(__MidnightBSD__)
50	/* Needed for __FreeBSD_version or __MidnightBSD_version symbol definition */
51	#include <osreldate.h>
52	#endif
53
54	/* The include stuff here below is mainly for time_t! */
55	#include <sys/types.h>
56	#include <time.h>
57
58	#if defined(CURL_WIN32) && !defined(_WIN32_WCE) && !defined(__CYGWIN__)
59	#if !(defined(_WINSOCKAPI_) || defined(_WINSOCK_H) || \
60	defined(__LWIP_OPT_H__) || defined(LWIP_HDR_OPT_H))
61	/* The check above prevents the winsock2 inclusion if winsock.h already was
62	included, since they can't co-exist without problems */
63	#include <winsock2.h>
64	#include <ws2tcpip.h>
65	#endif
66	#endif
67
68	/* HP-UX systems version 9, 10 and 11 lack sys/select.h and so does oldish
69	libc5-based Linux systems. Only include it on systems that are known to
70	require it! */
71	#if defined(_AIX) || defined(__NOVELL_LIBC__) || defined(__NetBSD__) || \
72	defined(__minix) || defined(__SYMBIAN32__) || defined(__INTEGRITY) || \
73	defined(ANDROID) || defined(__ANDROID__) || defined(__OpenBSD__) || \
74	defined(__CYGWIN__) || defined(AMIGA) || defined(__NuttX__) || \
75	(defined(__FreeBSD_version) && (__FreeBSD_version < 800000)) || \
76	(defined(__MidnightBSD_version) && (__MidnightBSD_version < 100000)) || \
77	defined(__VXWORKS__)
78	#include <sys/select.h>
79	#endif
80
81	#if !defined(CURL_WIN32) && !defined(_WIN32_WCE)
82	#include <sys/socket.h>
83	#endif
84
85	#if !defined(CURL_WIN32) && !defined(__WATCOMC__) && !defined(__VXWORKS__)
86	#include <sys/time.h>
87	#endif
88
89	#ifdef __BEOS__
90	#include <support/SupportDefs.h>
91	#endif
92
93	/* Compatibility for non-Clang compilers */
94	#ifndef __has_declspec_attribute
95	# define __has_declspec_attribute(x) 0
96	#endif
97
98	#ifdef __cplusplus
99	extern "C" {
100	#endif
101
102	#if defined(BUILDING_LIBCURL) || defined(CURL_STRICTER)
103	typedef struct Curl_easy CURL;
104	typedef struct Curl_share CURLSH;
105	#else
106	typedef void CURL;
107	typedef void CURLSH;
108	#endif
109
110	/*
111	* libcurl external API function linkage decorations.
112	*/
113
114	#ifdef CURL_STATICLIB
115	# define CURL_EXTERN
116	#elif defined(CURL_WIN32) || defined(__SYMBIAN32__) || \
117	(__has_declspec_attribute(dllexport) && \
118	__has_declspec_attribute(dllimport))
119	# if defined(BUILDING_LIBCURL)
120	# define CURL_EXTERN __declspec(dllexport)
121	# else
122	# define CURL_EXTERN __declspec(dllimport)
123	# endif
124	#elif defined(BUILDING_LIBCURL) && defined(CURL_HIDDEN_SYMBOLS)
125	# define CURL_EXTERN CURL_EXTERN_SYMBOL
126	#else
127	# define CURL_EXTERN
128	#endif
129
130	#ifndef curl_socket_typedef
131	/* socket typedef */
132	#if defined(CURL_WIN32) && !defined(__LWIP_OPT_H__) && !defined(LWIP_HDR_OPT_H)
133	typedef SOCKET curl_socket_t;
134	#define CURL_SOCKET_BAD INVALID_SOCKET
135	#else
136	typedef int curl_socket_t;
137	#define CURL_SOCKET_BAD -1
138	#endif
139	#define curl_socket_typedef
140	#endif /* curl_socket_typedef */
141
142	/* enum for the different supported SSL backends */
143	typedef enum {
144	CURLSSLBACKEND_NONE = 0,
145	CURLSSLBACKEND_OPENSSL = 1,
146	CURLSSLBACKEND_GNUTLS = 2,
147	CURLSSLBACKEND_NSS = 3,
148	CURLSSLBACKEND_OBSOLETE4 = 4, /* Was QSOSSL. */
149	CURLSSLBACKEND_GSKIT = 5,
150	CURLSSLBACKEND_POLARSSL = 6,
151	CURLSSLBACKEND_WOLFSSL = 7,
152	CURLSSLBACKEND_SCHANNEL = 8,
153	CURLSSLBACKEND_SECURETRANSPORT = 9,
154	CURLSSLBACKEND_AXTLS = 10, /* never used since 7.63.0 */
155	CURLSSLBACKEND_MBEDTLS = 11,
156	CURLSSLBACKEND_MESALINK = 12,
157	CURLSSLBACKEND_BEARSSL = 13,
158	CURLSSLBACKEND_RUSTLS = 14
159	} curl_sslbackend;
160
161	/* aliases for library clones and renames */
162	#define CURLSSLBACKEND_LIBRESSL CURLSSLBACKEND_OPENSSL
163	#define CURLSSLBACKEND_BORINGSSL CURLSSLBACKEND_OPENSSL
164
165	/* deprecated names: */
166	#define CURLSSLBACKEND_CYASSL CURLSSLBACKEND_WOLFSSL
167	#define CURLSSLBACKEND_DARWINSSL CURLSSLBACKEND_SECURETRANSPORT
168
169	struct curl_httppost {
170	struct curl_httppost *next; /* next entry in the list */
171	char *name; /* pointer to allocated name */
172	long namelength; /* length of name length */
173	char *contents; /* pointer to allocated data contents */
174	long contentslength; /* length of contents field, see also
175	CURL_HTTPPOST_LARGE */
176	char *buffer; /* pointer to allocated buffer contents */
177	long bufferlength; /* length of buffer field */
178	char *contenttype; /* Content-Type */
179	struct curl_slist *contentheader; /* list of extra headers for this form */
180	struct curl_httppost *more; /* if one field name has more than one
181	file, this link should link to following
182	files */
183	long flags; /* as defined below */
184
185	/* specified content is a file name */
186	#define CURL_HTTPPOST_FILENAME (1<<0)
187	/* specified content is a file name */
188	#define CURL_HTTPPOST_READFILE (1<<1)
189	/* name is only stored pointer do not free in formfree */
190	#define CURL_HTTPPOST_PTRNAME (1<<2)
191	/* contents is only stored pointer do not free in formfree */
192	#define CURL_HTTPPOST_PTRCONTENTS (1<<3)
193	/* upload file from buffer */
194	#define CURL_HTTPPOST_BUFFER (1<<4)
195	/* upload file from pointer contents */
196	#define CURL_HTTPPOST_PTRBUFFER (1<<5)
197	/* upload file contents by using the regular read callback to get the data and
198	pass the given pointer as custom pointer */
199	#define CURL_HTTPPOST_CALLBACK (1<<6)
200	/* use size in 'contentlen', added in 7.46.0 */
201	#define CURL_HTTPPOST_LARGE (1<<7)
202
203	char *showfilename; /* The file name to show. If not set, the
204	actual file name will be used (if this
205	is a file part) */
206	void *userp; /* custom pointer used for
207	HTTPPOST_CALLBACK posts */
208	curl_off_t contentlen; /* alternative length of contents
209	field. Used if CURL_HTTPPOST_LARGE is
210	set. Added in 7.46.0 */
211	};
212
213
214	/* This is a return code for the progress callback that, when returned, will
215	signal libcurl to continue executing the default progress function */
216	#define CURL_PROGRESSFUNC_CONTINUE 0x10000001
217
218	/* This is the CURLOPT_PROGRESSFUNCTION callback prototype. It is now
219	considered deprecated but was the only choice up until 7.31.0 */
220	typedef int (*curl_progress_callback)(void *clientp,
221	double dltotal,
222	double dlnow,
223	double ultotal,
224	double ulnow);
225
226	/* This is the CURLOPT_XFERINFOFUNCTION callback prototype. It was introduced
227	in 7.32.0, avoids the use of floating point numbers and provides more
228	detailed information. */
229	typedef int (*curl_xferinfo_callback)(void *clientp,
230	curl_off_t dltotal,
231	curl_off_t dlnow,
232	curl_off_t ultotal,
233	curl_off_t ulnow);
234
235	#ifndef CURL_MAX_READ_SIZE
236	/* The maximum receive buffer size configurable via CURLOPT_BUFFERSIZE. */
237	#define CURL_MAX_READ_SIZE 524288
238	#endif
239
240	#ifndef CURL_MAX_WRITE_SIZE
241	/* Tests have proven that 20K is a very bad buffer size for uploads on
242	Windows, while 16K for some odd reason performed a lot better.
243	We do the ifndef check to allow this value to easier be changed at build
244	time for those who feel adventurous. The practical minimum is about
245	400 bytes since libcurl uses a buffer of this size as a scratch area
246	(unrelated to network send operations). */
247	#define CURL_MAX_WRITE_SIZE 16384
248	#endif
249
250	#ifndef CURL_MAX_HTTP_HEADER
251	/* The only reason to have a max limit for this is to avoid the risk of a bad
252	server feeding libcurl with a never-ending header that will cause reallocs
253	infinitely */
254	#define CURL_MAX_HTTP_HEADER (100*1024)
255	#endif
256
257	/* This is a magic return code for the write callback that, when returned,
258	will signal libcurl to pause receiving on the current transfer. */
259	#define CURL_WRITEFUNC_PAUSE 0x10000001
260
261	typedef size_t (*curl_write_callback)(char *buffer,
262	size_t size,
263	size_t nitems,
264	void *outstream);
265
266	/* This callback will be called when a new resolver request is made */
267	typedef int (*curl_resolver_start_callback)(void *resolver_state,
268	void *reserved, void *userdata);
269
270	/* enumeration of file types */
271	typedef enum {
272	CURLFILETYPE_FILE = 0,
273	CURLFILETYPE_DIRECTORY,
274	CURLFILETYPE_SYMLINK,
275	CURLFILETYPE_DEVICE_BLOCK,
276	CURLFILETYPE_DEVICE_CHAR,
277	CURLFILETYPE_NAMEDPIPE,
278	CURLFILETYPE_SOCKET,
279	CURLFILETYPE_DOOR, /* is possible only on Sun Solaris now */
280
281	CURLFILETYPE_UNKNOWN /* should never occur */
282	} curlfiletype;
283
284	#define CURLFINFOFLAG_KNOWN_FILENAME (1<<0)
285	#define CURLFINFOFLAG_KNOWN_FILETYPE (1<<1)
286	#define CURLFINFOFLAG_KNOWN_TIME (1<<2)
287	#define CURLFINFOFLAG_KNOWN_PERM (1<<3)
288	#define CURLFINFOFLAG_KNOWN_UID (1<<4)
289	#define CURLFINFOFLAG_KNOWN_GID (1<<5)
290	#define CURLFINFOFLAG_KNOWN_SIZE (1<<6)
291	#define CURLFINFOFLAG_KNOWN_HLINKCOUNT (1<<7)
292
293	/* Information about a single file, used when doing FTP wildcard matching */
294	struct curl_fileinfo {
295	char *filename;
296	curlfiletype filetype;
297	time_t time; /* always zero! */
298	unsigned int perm;
299	int uid;
300	int gid;
301	curl_off_t size;
302	long int hardlinks;
303
304	struct {
305	/* If some of these fields is not NULL, it is a pointer to b_data. */
306	char *time;
307	char *perm;
308	char *user;
309	char *group;
310	char *target; /* pointer to the target filename of a symlink */
311	} strings;
312
313	unsigned int flags;
314
315	/* used internally */
316	char *b_data;
317	size_t b_size;
318	size_t b_used;
319	};
320
321	/* return codes for CURLOPT_CHUNK_BGN_FUNCTION */
322	#define CURL_CHUNK_BGN_FUNC_OK 0
323	#define CURL_CHUNK_BGN_FUNC_FAIL 1 /* tell the lib to end the task */
324	#define CURL_CHUNK_BGN_FUNC_SKIP 2 /* skip this chunk over */
325
326	/* if splitting of data transfer is enabled, this callback is called before
327	download of an individual chunk started. Note that parameter "remains" works
328	only for FTP wildcard downloading (for now), otherwise is not used */
329	typedef long (*curl_chunk_bgn_callback)(const void *transfer_info,
330	void *ptr,
331	int remains);
332
333	/* return codes for CURLOPT_CHUNK_END_FUNCTION */
334	#define CURL_CHUNK_END_FUNC_OK 0
335	#define CURL_CHUNK_END_FUNC_FAIL 1 /* tell the lib to end the task */
336
337	/* If splitting of data transfer is enabled this callback is called after
338	download of an individual chunk finished.
339	Note! After this callback was set then it have to be called FOR ALL chunks.
340	Even if downloading of this chunk was skipped in CHUNK_BGN_FUNC.
341	This is the reason why we don't need "transfer_info" parameter in this
342	callback and we are not interested in "remains" parameter too. */
343	typedef long (*curl_chunk_end_callback)(void *ptr);
344
345	/* return codes for FNMATCHFUNCTION */
346	#define CURL_FNMATCHFUNC_MATCH 0 /* string corresponds to the pattern */
347	#define CURL_FNMATCHFUNC_NOMATCH 1 /* pattern doesn't match the string */
348	#define CURL_FNMATCHFUNC_FAIL 2 /* an error occurred */
349
350	/* callback type for wildcard downloading pattern matching. If the
351	string matches the pattern, return CURL_FNMATCHFUNC_MATCH value, etc. */
352	typedef int (*curl_fnmatch_callback)(void *ptr,
353	const char *pattern,
354	const char *string);
355
356	/* These are the return codes for the seek callbacks */
357	#define CURL_SEEKFUNC_OK 0
358	#define CURL_SEEKFUNC_FAIL 1 /* fail the entire transfer */
359	#define CURL_SEEKFUNC_CANTSEEK 2 /* tell libcurl seeking can't be done, so
360	libcurl might try other means instead */
361	typedef int (*curl_seek_callback)(void *instream,
362	curl_off_t offset,
363	int origin); /* 'whence' */
364
365	/* This is a return code for the read callback that, when returned, will
366	signal libcurl to immediately abort the current transfer. */
367	#define CURL_READFUNC_ABORT 0x10000000
368	/* This is a return code for the read callback that, when returned, will
369	signal libcurl to pause sending data on the current transfer. */
370	#define CURL_READFUNC_PAUSE 0x10000001
371
372	/* Return code for when the trailing headers' callback has terminated
373	without any errors*/
374	#define CURL_TRAILERFUNC_OK 0
375	/* Return code for when was an error in the trailing header's list and we
376	want to abort the request */
377	#define CURL_TRAILERFUNC_ABORT 1
378
379	typedef size_t (*curl_read_callback)(char *buffer,
380	size_t size,
381	size_t nitems,
382	void *instream);
383
384	typedef int (*curl_trailer_callback)(struct curl_slist **list,
385	void *userdata);
386
387	typedef enum {
388	CURLSOCKTYPE_IPCXN, /* socket created for a specific IP connection */
389	CURLSOCKTYPE_ACCEPT, /* socket created by accept() call */
390	CURLSOCKTYPE_LAST /* never use */
391	} curlsocktype;
392
393	/* The return code from the sockopt_callback can signal information back
394	to libcurl: */
395	#define CURL_SOCKOPT_OK 0
396	#define CURL_SOCKOPT_ERROR 1 /* causes libcurl to abort and return
397	CURLE_ABORTED_BY_CALLBACK */
398	#define CURL_SOCKOPT_ALREADY_CONNECTED 2
399
400	typedef int (*curl_sockopt_callback)(void *clientp,
401	curl_socket_t curlfd,
402	curlsocktype purpose);
403
404	struct curl_sockaddr {
405	int family;
406	int socktype;
407	int protocol;
408	unsigned int addrlen; /* addrlen was a socklen_t type before 7.18.0 but it
409	turned really ugly and painful on the systems that
410	lack this type */
411	struct sockaddr addr;
412	};
413
414	typedef curl_socket_t
415	(*curl_opensocket_callback)(void *clientp,
416	curlsocktype purpose,
417	struct curl_sockaddr *address);
418
419	typedef int
420	(*curl_closesocket_callback)(void *clientp, curl_socket_t item);
421
422	typedef enum {
423	CURLIOE_OK, /* I/O operation successful */
424	CURLIOE_UNKNOWNCMD, /* command was unknown to callback */
425	CURLIOE_FAILRESTART, /* failed to restart the read */
426	CURLIOE_LAST /* never use */
427	} curlioerr;
428
429	typedef enum {
430	CURLIOCMD_NOP, /* no operation */
431	CURLIOCMD_RESTARTREAD, /* restart the read stream from start */
432	CURLIOCMD_LAST /* never use */
433	} curliocmd;
434
435	typedef curlioerr (*curl_ioctl_callback)(CURL *handle,
436	int cmd,
437	void *clientp);
438
439	#ifndef CURL_DID_MEMORY_FUNC_TYPEDEFS
440	/*
441	* The following typedef's are signatures of malloc, free, realloc, strdup and
442	* calloc respectively. Function pointers of these types can be passed to the
443	* curl_global_init_mem() function to set user defined memory management
444	* callback routines.
445	*/
446	typedef void *(*curl_malloc_callback)(size_t size);
447	typedef void (*curl_free_callback)(void *ptr);
448	typedef void *(*curl_realloc_callback)(void *ptr, size_t size);
449	typedef char *(*curl_strdup_callback)(const char *str);
450	typedef void *(*curl_calloc_callback)(size_t nmemb, size_t size);
451
452	#define CURL_DID_MEMORY_FUNC_TYPEDEFS
453	#endif
454
455	/* the kind of data that is passed to information_callback*/
456	typedef enum {
457	CURLINFO_TEXT = 0,
458	CURLINFO_HEADER_IN, /* 1 */
459	CURLINFO_HEADER_OUT, /* 2 */
460	CURLINFO_DATA_IN, /* 3 */
461	CURLINFO_DATA_OUT, /* 4 */
462	CURLINFO_SSL_DATA_IN, /* 5 */
463	CURLINFO_SSL_DATA_OUT, /* 6 */
464	CURLINFO_END
465	} curl_infotype;
466
467	typedef int (*curl_debug_callback)
468	(CURL *handle, /* the handle/transfer this concerns */
469	curl_infotype type, /* what kind of data */
470	char *data, /* points to the data */
471	size_t size, /* size of the data pointed to */
472	void *userptr); /* whatever the user please */
473
474	/* This is the CURLOPT_PREREQFUNCTION callback prototype. */
475	typedef int (*curl_prereq_callback)(void *clientp,
476	char *conn_primary_ip,
477	char *conn_local_ip,
478	int conn_primary_port,
479	int conn_local_port);
480
481	/* Return code for when the pre-request callback has terminated without
482	any errors */
483	#define CURL_PREREQFUNC_OK 0
484	/* Return code for when the pre-request callback wants to abort the
485	request */
486	#define CURL_PREREQFUNC_ABORT 1
487
488	/* All possible error codes from all sorts of curl functions. Future versions
489	may return other values, stay prepared.
490
491	Always add new return codes last. Never *EVER* remove any. The return
492	codes must remain the same!
493	*/
494
495	typedef enum {
496	CURLE_OK = 0,
497	CURLE_UNSUPPORTED_PROTOCOL, /* 1 */
498	CURLE_FAILED_INIT, /* 2 */
499	CURLE_URL_MALFORMAT, /* 3 */
500	CURLE_NOT_BUILT_IN, /* 4 - [was obsoleted in August 2007 for
501	7.17.0, reused in April 2011 for 7.21.5] */
502	CURLE_COULDNT_RESOLVE_PROXY, /* 5 */
503	CURLE_COULDNT_RESOLVE_HOST, /* 6 */
504	CURLE_COULDNT_CONNECT, /* 7 */
505	CURLE_WEIRD_SERVER_REPLY, /* 8 */
506	CURLE_REMOTE_ACCESS_DENIED, /* 9 a service was denied by the server
507	due to lack of access - when login fails
508	this is not returned. */
509	CURLE_FTP_ACCEPT_FAILED, /* 10 - [was obsoleted in April 2006 for
510	7.15.4, reused in Dec 2011 for 7.24.0]*/
511	CURLE_FTP_WEIRD_PASS_REPLY, /* 11 */
512	CURLE_FTP_ACCEPT_TIMEOUT, /* 12 - timeout occurred accepting server
513	[was obsoleted in August 2007 for 7.17.0,
514	reused in Dec 2011 for 7.24.0]*/
515	CURLE_FTP_WEIRD_PASV_REPLY, /* 13 */
516	CURLE_FTP_WEIRD_227_FORMAT, /* 14 */
517	CURLE_FTP_CANT_GET_HOST, /* 15 */
518	CURLE_HTTP2, /* 16 - A problem in the http2 framing layer.
519	[was obsoleted in August 2007 for 7.17.0,
520	reused in July 2014 for 7.38.0] */
521	CURLE_FTP_COULDNT_SET_TYPE, /* 17 */
522	CURLE_PARTIAL_FILE, /* 18 */
523	CURLE_FTP_COULDNT_RETR_FILE, /* 19 */
524	CURLE_OBSOLETE20, /* 20 - NOT USED */
525	CURLE_QUOTE_ERROR, /* 21 - quote command failure */
526	CURLE_HTTP_RETURNED_ERROR, /* 22 */
527	CURLE_WRITE_ERROR, /* 23 */
528	CURLE_OBSOLETE24, /* 24 - NOT USED */
529	CURLE_UPLOAD_FAILED, /* 25 - failed upload "command" */
530	CURLE_READ_ERROR, /* 26 - couldn't open/read from file */
531	CURLE_OUT_OF_MEMORY, /* 27 */
532	/* Note: CURLE_OUT_OF_MEMORY may sometimes indicate a conversion error
533	instead of a memory allocation error if CURL_DOES_CONVERSIONS
534	is defined
535	*/
536	CURLE_OPERATION_TIMEDOUT, /* 28 - the timeout time was reached */
537	CURLE_OBSOLETE29, /* 29 - NOT USED */
538	CURLE_FTP_PORT_FAILED, /* 30 - FTP PORT operation failed */
539	CURLE_FTP_COULDNT_USE_REST, /* 31 - the REST command failed */
540	CURLE_OBSOLETE32, /* 32 - NOT USED */
541	CURLE_RANGE_ERROR, /* 33 - RANGE "command" didn't work */
542	CURLE_HTTP_POST_ERROR, /* 34 */
543	CURLE_SSL_CONNECT_ERROR, /* 35 - wrong when connecting with SSL */
544	CURLE_BAD_DOWNLOAD_RESUME, /* 36 - couldn't resume download */
545	CURLE_FILE_COULDNT_READ_FILE, /* 37 */
546	CURLE_LDAP_CANNOT_BIND, /* 38 */
547	CURLE_LDAP_SEARCH_FAILED, /* 39 */
548	CURLE_OBSOLETE40, /* 40 - NOT USED */
549	CURLE_FUNCTION_NOT_FOUND, /* 41 - NOT USED starting with 7.53.0 */
550	CURLE_ABORTED_BY_CALLBACK, /* 42 */
551	CURLE_BAD_FUNCTION_ARGUMENT, /* 43 */
552	CURLE_OBSOLETE44, /* 44 - NOT USED */
553	CURLE_INTERFACE_FAILED, /* 45 - CURLOPT_INTERFACE failed */
554	CURLE_OBSOLETE46, /* 46 - NOT USED */
555	CURLE_TOO_MANY_REDIRECTS, /* 47 - catch endless re-direct loops */
556	CURLE_UNKNOWN_OPTION, /* 48 - User specified an unknown option */
557	CURLE_SETOPT_OPTION_SYNTAX, /* 49 - Malformed setopt option */
558	CURLE_OBSOLETE50, /* 50 - NOT USED */
559	CURLE_OBSOLETE51, /* 51 - NOT USED */
560	CURLE_GOT_NOTHING, /* 52 - when this is a specific error */
561	CURLE_SSL_ENGINE_NOTFOUND, /* 53 - SSL crypto engine not found */
562	CURLE_SSL_ENGINE_SETFAILED, /* 54 - can not set SSL crypto engine as
563	default */
564	CURLE_SEND_ERROR, /* 55 - failed sending network data */
565	CURLE_RECV_ERROR, /* 56 - failure in receiving network data */
566	CURLE_OBSOLETE57, /* 57 - NOT IN USE */
567	CURLE_SSL_CERTPROBLEM, /* 58 - problem with the local certificate */
568	CURLE_SSL_CIPHER, /* 59 - couldn't use specified cipher */
569	CURLE_PEER_FAILED_VERIFICATION, /* 60 - peer's certificate or fingerprint
570	wasn't verified fine */
571	CURLE_BAD_CONTENT_ENCODING, /* 61 - Unrecognized/bad encoding */
572	CURLE_LDAP_INVALID_URL, /* 62 - Invalid LDAP URL */
573	CURLE_FILESIZE_EXCEEDED, /* 63 - Maximum file size exceeded */
574	CURLE_USE_SSL_FAILED, /* 64 - Requested FTP SSL level failed */
575	CURLE_SEND_FAIL_REWIND, /* 65 - Sending the data requires a rewind
576	that failed */
577	CURLE_SSL_ENGINE_INITFAILED, /* 66 - failed to initialise ENGINE */
578	CURLE_LOGIN_DENIED, /* 67 - user, password or similar was not
579	accepted and we failed to login */
580	CURLE_TFTP_NOTFOUND, /* 68 - file not found on server */
581	CURLE_TFTP_PERM, /* 69 - permission problem on server */
582	CURLE_REMOTE_DISK_FULL, /* 70 - out of disk space on server */
583	CURLE_TFTP_ILLEGAL, /* 71 - Illegal TFTP operation */
584	CURLE_TFTP_UNKNOWNID, /* 72 - Unknown transfer ID */
585	CURLE_REMOTE_FILE_EXISTS, /* 73 - File already exists */
586	CURLE_TFTP_NOSUCHUSER, /* 74 - No such user */
587	CURLE_CONV_FAILED, /* 75 - conversion failed */
588	CURLE_CONV_REQD, /* 76 - caller must register conversion
589	callbacks using curl_easy_setopt options
590	CURLOPT_CONV_FROM_NETWORK_FUNCTION,
591	CURLOPT_CONV_TO_NETWORK_FUNCTION, and
592	CURLOPT_CONV_FROM_UTF8_FUNCTION */
593	CURLE_SSL_CACERT_BADFILE, /* 77 - could not load CACERT file, missing
594	or wrong format */
595	CURLE_REMOTE_FILE_NOT_FOUND, /* 78 - remote file not found */
596	CURLE_SSH, /* 79 - error from the SSH layer, somewhat
597	generic so the error message will be of
598	interest when this has happened */
599
600	CURLE_SSL_SHUTDOWN_FAILED, /* 80 - Failed to shut down the SSL
601	connection */
602	CURLE_AGAIN, /* 81 - socket is not ready for send/recv,
603	wait till it's ready and try again (Added
604	in 7.18.2) */
605	CURLE_SSL_CRL_BADFILE, /* 82 - could not load CRL file, missing or
606	wrong format (Added in 7.19.0) */
607	CURLE_SSL_ISSUER_ERROR, /* 83 - Issuer check failed. (Added in
608	7.19.0) */
609	CURLE_FTP_PRET_FAILED, /* 84 - a PRET command failed */
610	CURLE_RTSP_CSEQ_ERROR, /* 85 - mismatch of RTSP CSeq numbers */
611	CURLE_RTSP_SESSION_ERROR, /* 86 - mismatch of RTSP Session Ids */
612	CURLE_FTP_BAD_FILE_LIST, /* 87 - unable to parse FTP file list */
613	CURLE_CHUNK_FAILED, /* 88 - chunk callback reported error */
614	CURLE_NO_CONNECTION_AVAILABLE, /* 89 - No connection available, the
615	session will be queued */
616	CURLE_SSL_PINNEDPUBKEYNOTMATCH, /* 90 - specified pinned public key did not
617	match */
618	CURLE_SSL_INVALIDCERTSTATUS, /* 91 - invalid certificate status */
619	CURLE_HTTP2_STREAM, /* 92 - stream error in HTTP/2 framing layer
620	*/
621	CURLE_RECURSIVE_API_CALL, /* 93 - an api function was called from
622	inside a callback */
623	CURLE_AUTH_ERROR, /* 94 - an authentication function returned an
624	error */
625	CURLE_HTTP3, /* 95 - An HTTP/3 layer problem */
626	CURLE_QUIC_CONNECT_ERROR, /* 96 - QUIC connection error */
627	CURLE_PROXY, /* 97 - proxy handshake error */
628	CURLE_SSL_CLIENTCERT, /* 98 - client-side certificate required */
629	CURL_LAST /* never use! */
630	} CURLcode;
631
632	#ifndef CURL_NO_OLDIES /* define this to test if your app builds with all
633	the obsolete stuff removed! */
634
635	/* Previously obsolete error code re-used in 7.38.0 */
636	#define CURLE_OBSOLETE16 CURLE_HTTP2
637
638	/* Previously obsolete error codes re-used in 7.24.0 */
639	#define CURLE_OBSOLETE10 CURLE_FTP_ACCEPT_FAILED
640	#define CURLE_OBSOLETE12 CURLE_FTP_ACCEPT_TIMEOUT
641
642	/* compatibility with older names */
643	#define CURLOPT_ENCODING CURLOPT_ACCEPT_ENCODING
644	#define CURLE_FTP_WEIRD_SERVER_REPLY CURLE_WEIRD_SERVER_REPLY
645
646	/* The following were added in 7.62.0 */
647	#define CURLE_SSL_CACERT CURLE_PEER_FAILED_VERIFICATION
648
649	/* The following were added in 7.21.5, April 2011 */
650	#define CURLE_UNKNOWN_TELNET_OPTION CURLE_UNKNOWN_OPTION
651
652	/* Added for 7.78.0 */
653	#define CURLE_TELNET_OPTION_SYNTAX CURLE_SETOPT_OPTION_SYNTAX
654
655	/* The following were added in 7.17.1 */
656	/* These are scheduled to disappear by 2009 */
657	#define CURLE_SSL_PEER_CERTIFICATE CURLE_PEER_FAILED_VERIFICATION
658
659	/* The following were added in 7.17.0 */
660	/* These are scheduled to disappear by 2009 */
661	#define CURLE_OBSOLETE CURLE_OBSOLETE50 /* no one should be using this! */
662	#define CURLE_BAD_PASSWORD_ENTERED CURLE_OBSOLETE46
663	#define CURLE_BAD_CALLING_ORDER CURLE_OBSOLETE44
664	#define CURLE_FTP_USER_PASSWORD_INCORRECT CURLE_OBSOLETE10
665	#define CURLE_FTP_CANT_RECONNECT CURLE_OBSOLETE16
666	#define CURLE_FTP_COULDNT_GET_SIZE CURLE_OBSOLETE32
667	#define CURLE_FTP_COULDNT_SET_ASCII CURLE_OBSOLETE29
668	#define CURLE_FTP_WEIRD_USER_REPLY CURLE_OBSOLETE12
669	#define CURLE_FTP_WRITE_ERROR CURLE_OBSOLETE20
670	#define CURLE_LIBRARY_NOT_FOUND CURLE_OBSOLETE40
671	#define CURLE_MALFORMAT_USER CURLE_OBSOLETE24
672	#define CURLE_SHARE_IN_USE CURLE_OBSOLETE57
673	#define CURLE_URL_MALFORMAT_USER CURLE_NOT_BUILT_IN
674
675	#define CURLE_FTP_ACCESS_DENIED CURLE_REMOTE_ACCESS_DENIED
676	#define CURLE_FTP_COULDNT_SET_BINARY CURLE_FTP_COULDNT_SET_TYPE
677	#define CURLE_FTP_QUOTE_ERROR CURLE_QUOTE_ERROR
678	#define CURLE_TFTP_DISKFULL CURLE_REMOTE_DISK_FULL
679	#define CURLE_TFTP_EXISTS CURLE_REMOTE_FILE_EXISTS
680	#define CURLE_HTTP_RANGE_ERROR CURLE_RANGE_ERROR
681	#define CURLE_FTP_SSL_FAILED CURLE_USE_SSL_FAILED
682
683	/* The following were added earlier */
684
685	#define CURLE_OPERATION_TIMEOUTED CURLE_OPERATION_TIMEDOUT
686
687	#define CURLE_HTTP_NOT_FOUND CURLE_HTTP_RETURNED_ERROR
688	#define CURLE_HTTP_PORT_FAILED CURLE_INTERFACE_FAILED
689	#define CURLE_FTP_COULDNT_STOR_FILE CURLE_UPLOAD_FAILED
690
691	#define CURLE_FTP_PARTIAL_FILE CURLE_PARTIAL_FILE
692	#define CURLE_FTP_BAD_DOWNLOAD_RESUME CURLE_BAD_DOWNLOAD_RESUME
693
694	/* This was the error code 50 in 7.7.3 and a few earlier versions, this
695	is no longer used by libcurl but is instead #defined here only to not
696	make programs break */
697	#define CURLE_ALREADY_COMPLETE 99999
698
699	/* Provide defines for really old option names */
700	#define CURLOPT_FILE CURLOPT_WRITEDATA /* name changed in 7.9.7 */
701	#define CURLOPT_INFILE CURLOPT_READDATA /* name changed in 7.9.7 */
702	#define CURLOPT_WRITEHEADER CURLOPT_HEADERDATA
703
704	/* Since long deprecated options with no code in the lib that does anything
705	with them. */
706	#define CURLOPT_WRITEINFO CURLOPT_OBSOLETE40
707	#define CURLOPT_CLOSEPOLICY CURLOPT_OBSOLETE72
708
709	#endif /*!CURL_NO_OLDIES*/
710
711	/*
712	* Proxy error codes. Returned in CURLINFO_PROXY_ERROR if CURLE_PROXY was
713	* return for the transfers.
714	*/
715	typedef enum {
716	CURLPX_OK,
717	CURLPX_BAD_ADDRESS_TYPE,
718	CURLPX_BAD_VERSION,
719	CURLPX_CLOSED,
720	CURLPX_GSSAPI,
721	CURLPX_GSSAPI_PERMSG,
722	CURLPX_GSSAPI_PROTECTION,
723	CURLPX_IDENTD,
724	CURLPX_IDENTD_DIFFER,
725	CURLPX_LONG_HOSTNAME,
726	CURLPX_LONG_PASSWD,
727	CURLPX_LONG_USER,
728	CURLPX_NO_AUTH,
729	CURLPX_RECV_ADDRESS,
730	CURLPX_RECV_AUTH,
731	CURLPX_RECV_CONNECT,
732	CURLPX_RECV_REQACK,
733	CURLPX_REPLY_ADDRESS_TYPE_NOT_SUPPORTED,
734	CURLPX_REPLY_COMMAND_NOT_SUPPORTED,
735	CURLPX_REPLY_CONNECTION_REFUSED,
736	CURLPX_REPLY_GENERAL_SERVER_FAILURE,
737	CURLPX_REPLY_HOST_UNREACHABLE,
738	CURLPX_REPLY_NETWORK_UNREACHABLE,
739	CURLPX_REPLY_NOT_ALLOWED,
740	CURLPX_REPLY_TTL_EXPIRED,
741	CURLPX_REPLY_UNASSIGNED,
742	CURLPX_REQUEST_FAILED,
743	CURLPX_RESOLVE_HOST,
744	CURLPX_SEND_AUTH,
745	CURLPX_SEND_CONNECT,
746	CURLPX_SEND_REQUEST,
747	CURLPX_UNKNOWN_FAIL,
748	CURLPX_UNKNOWN_MODE,
749	CURLPX_USER_REJECTED,
750	CURLPX_LAST /* never use */
751	} CURLproxycode;
752
753	/* This prototype applies to all conversion callbacks */
754	typedef CURLcode (*curl_conv_callback)(char *buffer, size_t length);
755
756	typedef CURLcode (*curl_ssl_ctx_callback)(CURL *curl, /* easy handle */
757	void *ssl_ctx, /* actually an OpenSSL
758	or WolfSSL SSL_CTX,
759	or an mbedTLS
760	mbedtls_ssl_config */
761	void *userptr);
762
763	typedef enum {
764	CURLPROXY_HTTP = 0, /* added in 7.10, new in 7.19.4 default is to use
765	CONNECT HTTP/1.1 */
766	CURLPROXY_HTTP_1_0 = 1, /* added in 7.19.4, force to use CONNECT
767	HTTP/1.0 */
768	CURLPROXY_HTTPS = 2, /* added in 7.52.0 */
769	CURLPROXY_SOCKS4 = 4, /* support added in 7.15.2, enum existed already
770	in 7.10 */
771	CURLPROXY_SOCKS5 = 5, /* added in 7.10 */
772	CURLPROXY_SOCKS4A = 6, /* added in 7.18.0 */
773	CURLPROXY_SOCKS5_HOSTNAME = 7 /* Use the SOCKS5 protocol but pass along the
774	host name rather than the IP address. added
775	in 7.18.0 */
776	} curl_proxytype; /* this enum was added in 7.10 */
777
778	/*
779	* Bitmasks for CURLOPT_HTTPAUTH and CURLOPT_PROXYAUTH options:
780	*
781	* CURLAUTH_NONE - No HTTP authentication
782	* CURLAUTH_BASIC - HTTP Basic authentication (default)
783	* CURLAUTH_DIGEST - HTTP Digest authentication
784	* CURLAUTH_NEGOTIATE - HTTP Negotiate (SPNEGO) authentication
785	* CURLAUTH_GSSNEGOTIATE - Alias for CURLAUTH_NEGOTIATE (deprecated)
786	* CURLAUTH_NTLM - HTTP NTLM authentication
787	* CURLAUTH_DIGEST_IE - HTTP Digest authentication with IE flavour
788	* CURLAUTH_NTLM_WB - HTTP NTLM authentication delegated to winbind helper
789	* CURLAUTH_BEARER - HTTP Bearer token authentication
790	* CURLAUTH_ONLY - Use together with a single other type to force no
791	* authentication or just that single type
792	* CURLAUTH_ANY - All fine types set
793	* CURLAUTH_ANYSAFE - All fine types except Basic
794	*/
795
796	#define CURLAUTH_NONE ((unsigned long)0)
797	#define CURLAUTH_BASIC (((unsigned long)1)<<0)
798	#define CURLAUTH_DIGEST (((unsigned long)1)<<1)
799	#define CURLAUTH_NEGOTIATE (((unsigned long)1)<<2)
800	/* Deprecated since the advent of CURLAUTH_NEGOTIATE */
801	#define CURLAUTH_GSSNEGOTIATE CURLAUTH_NEGOTIATE
802	/* Used for CURLOPT_SOCKS5_AUTH to stay terminologically correct */
803	#define CURLAUTH_GSSAPI CURLAUTH_NEGOTIATE
804	#define CURLAUTH_NTLM (((unsigned long)1)<<3)
805	#define CURLAUTH_DIGEST_IE (((unsigned long)1)<<4)
806	#define CURLAUTH_NTLM_WB (((unsigned long)1)<<5)
807	#define CURLAUTH_BEARER (((unsigned long)1)<<6)
808	#define CURLAUTH_AWS_SIGV4 (((unsigned long)1)<<7)
809	#define CURLAUTH_ONLY (((unsigned long)1)<<31)
810	#define CURLAUTH_ANY (~CURLAUTH_DIGEST_IE)
811	#define CURLAUTH_ANYSAFE (~(CURLAUTH_BASIC|CURLAUTH_DIGEST_IE))
812
813	#define CURLSSH_AUTH_ANY ~0 /* all types supported by the server */
814	#define CURLSSH_AUTH_NONE 0 /* none allowed, silly but complete */
815	#define CURLSSH_AUTH_PUBLICKEY (1<<0) /* public/private key files */
816	#define CURLSSH_AUTH_PASSWORD (1<<1) /* password */
817	#define CURLSSH_AUTH_HOST (1<<2) /* host key files */
818	#define CURLSSH_AUTH_KEYBOARD (1<<3) /* keyboard interactive */
819	#define CURLSSH_AUTH_AGENT (1<<4) /* agent (ssh-agent, pageant...) */
820	#define CURLSSH_AUTH_GSSAPI (1<<5) /* gssapi (kerberos, ...) */
821	#define CURLSSH_AUTH_DEFAULT CURLSSH_AUTH_ANY
822
823	#define CURLGSSAPI_DELEGATION_NONE 0 /* no delegation (default) */
824	#define CURLGSSAPI_DELEGATION_POLICY_FLAG (1<<0) /* if permitted by policy */
825	#define CURLGSSAPI_DELEGATION_FLAG (1<<1) /* delegate always */
826
827	#define CURL_ERROR_SIZE 256
828
829	enum curl_khtype {
830	CURLKHTYPE_UNKNOWN,
831	CURLKHTYPE_RSA1,
832	CURLKHTYPE_RSA,
833	CURLKHTYPE_DSS,
834	CURLKHTYPE_ECDSA,
835	CURLKHTYPE_ED25519
836	};
837
838	struct curl_khkey {
839	const char *key; /* points to a null-terminated string encoded with base64
840	if len is zero, otherwise to the "raw" data */
841	size_t len;
842	enum curl_khtype keytype;
843	};
844
845	/* this is the set of return values expected from the curl_sshkeycallback
846	callback */
847	enum curl_khstat {
848	CURLKHSTAT_FINE_ADD_TO_FILE,
849	CURLKHSTAT_FINE,
850	CURLKHSTAT_REJECT, /* reject the connection, return an error */
851	CURLKHSTAT_DEFER, /* do not accept it, but we can't answer right now so
852	this causes a CURLE_DEFER error but otherwise the
853	connection will be left intact etc */
854	CURLKHSTAT_FINE_REPLACE, /* accept and replace the wrong key*/
855	CURLKHSTAT_LAST /* not for use, only a marker for last-in-list */
856	};
857
858	/* this is the set of status codes pass in to the callback */
859	enum curl_khmatch {
860	CURLKHMATCH_OK, /* match */
861	CURLKHMATCH_MISMATCH, /* host found, key mismatch! */
862	CURLKHMATCH_MISSING, /* no matching host/key found */
863	CURLKHMATCH_LAST /* not for use, only a marker for last-in-list */
864	};
865
866	typedef int
867	(*curl_sshkeycallback) (CURL *easy, /* easy handle */
868	const struct curl_khkey *knownkey, /* known */
869	const struct curl_khkey *foundkey, /* found */
870	enum curl_khmatch, /* libcurl's view on the keys */
871	void *clientp); /* custom pointer passed from app */
872
873	/* parameter for the CURLOPT_USE_SSL option */
874	typedef enum {
875	CURLUSESSL_NONE, /* do not attempt to use SSL */
876	CURLUSESSL_TRY, /* try using SSL, proceed anyway otherwise */
877	CURLUSESSL_CONTROL, /* SSL for the control connection or fail */
878	CURLUSESSL_ALL, /* SSL for all communication or fail */
879	CURLUSESSL_LAST /* not an option, never use */
880	} curl_usessl;
881
882	/* Definition of bits for the CURLOPT_SSL_OPTIONS argument: */
883
884	/* - ALLOW_BEAST tells libcurl to allow the BEAST SSL vulnerability in the
885	name of improving interoperability with older servers. Some SSL libraries
886	have introduced work-arounds for this flaw but those work-arounds sometimes
887	make the SSL communication fail. To regain functionality with those broken
888	servers, a user can this way allow the vulnerability back. */
889	#define CURLSSLOPT_ALLOW_BEAST (1<<0)
890
891	/* - NO_REVOKE tells libcurl to disable certificate revocation checks for those
892	SSL backends where such behavior is present. */
893	#define CURLSSLOPT_NO_REVOKE (1<<1)
894
895	/* - NO_PARTIALCHAIN tells libcurl to *NOT* accept a partial certificate chain
896	if possible. The OpenSSL backend has this ability. */
897	#define CURLSSLOPT_NO_PARTIALCHAIN (1<<2)
898
899	/* - REVOKE_BEST_EFFORT tells libcurl to ignore certificate revocation offline
900	checks and ignore missing revocation list for those SSL backends where such
901	behavior is present. */
902	#define CURLSSLOPT_REVOKE_BEST_EFFORT (1<<3)
903
904	/* - CURLSSLOPT_NATIVE_CA tells libcurl to use standard certificate store of
905	operating system. Currently implemented under MS-Windows. */
906	#define CURLSSLOPT_NATIVE_CA (1<<4)
907
908	/* - CURLSSLOPT_AUTO_CLIENT_CERT tells libcurl to automatically locate and use
909	a client certificate for authentication. (Schannel) */
910	#define CURLSSLOPT_AUTO_CLIENT_CERT (1<<5)
911
912	/* The default connection attempt delay in milliseconds for happy eyeballs.
913	CURLOPT_HAPPY_EYEBALLS_TIMEOUT_MS.3 and happy-eyeballs-timeout-ms.d document
914	this value, keep them in sync. */
915	#define CURL_HET_DEFAULT 200L
916
917	/* The default connection upkeep interval in milliseconds. */
918	#define CURL_UPKEEP_INTERVAL_DEFAULT 60000L
919
920	#ifndef CURL_NO_OLDIES /* define this to test if your app builds with all
921	the obsolete stuff removed! */
922
923	/* Backwards compatibility with older names */
924	/* These are scheduled to disappear by 2009 */
925
926	#define CURLFTPSSL_NONE CURLUSESSL_NONE
927	#define CURLFTPSSL_TRY CURLUSESSL_TRY
928	#define CURLFTPSSL_CONTROL CURLUSESSL_CONTROL
929	#define CURLFTPSSL_ALL CURLUSESSL_ALL
930	#define CURLFTPSSL_LAST CURLUSESSL_LAST
931	#define curl_ftpssl curl_usessl
932	#endif /*!CURL_NO_OLDIES*/
933
934	/* parameter for the CURLOPT_FTP_SSL_CCC option */
935	typedef enum {
936	CURLFTPSSL_CCC_NONE, /* do not send CCC */
937	CURLFTPSSL_CCC_PASSIVE, /* Let the server initiate the shutdown */
938	CURLFTPSSL_CCC_ACTIVE, /* Initiate the shutdown */
939	CURLFTPSSL_CCC_LAST /* not an option, never use */
940	} curl_ftpccc;
941
942	/* parameter for the CURLOPT_FTPSSLAUTH option */
943	typedef enum {
944	CURLFTPAUTH_DEFAULT, /* let libcurl decide */
945	CURLFTPAUTH_SSL, /* use "AUTH SSL" */
946	CURLFTPAUTH_TLS, /* use "AUTH TLS" */
947	CURLFTPAUTH_LAST /* not an option, never use */
948	} curl_ftpauth;
949
950	/* parameter for the CURLOPT_FTP_CREATE_MISSING_DIRS option */
951	typedef enum {
952	CURLFTP_CREATE_DIR_NONE, /* do NOT create missing dirs! */
953	CURLFTP_CREATE_DIR, /* (FTP/SFTP) if CWD fails, try MKD and then CWD
954	again if MKD succeeded, for SFTP this does
955	similar magic */
956	CURLFTP_CREATE_DIR_RETRY, /* (FTP only) if CWD fails, try MKD and then CWD
957	again even if MKD failed! */
958	CURLFTP_CREATE_DIR_LAST /* not an option, never use */
959	} curl_ftpcreatedir;
960
961	/* parameter for the CURLOPT_FTP_FILEMETHOD option */
962	typedef enum {
963	CURLFTPMETHOD_DEFAULT, /* let libcurl pick */
964	CURLFTPMETHOD_MULTICWD, /* single CWD operation for each path part */
965	CURLFTPMETHOD_NOCWD, /* no CWD at all */
966	CURLFTPMETHOD_SINGLECWD, /* one CWD to full dir, then work on file */
967	CURLFTPMETHOD_LAST /* not an option, never use */
968	} curl_ftpmethod;
969
970	/* bitmask defines for CURLOPT_HEADEROPT */
971	#define CURLHEADER_UNIFIED 0
972	#define CURLHEADER_SEPARATE (1<<0)
973
974	/* CURLALTSVC_* are bits for the CURLOPT_ALTSVC_CTRL option */
975	#define CURLALTSVC_READONLYFILE (1<<2)
976	#define CURLALTSVC_H1 (1<<3)
977	#define CURLALTSVC_H2 (1<<4)
978	#define CURLALTSVC_H3 (1<<5)
979
980
981	struct curl_hstsentry {
982	char *name;
983	size_t namelen;
984	unsigned int includeSubDomains:1;
985	char expire[18]; /* YYYYMMDD HH:MM:SS [null-terminated] */
986	};
987
988	struct curl_index {
989	size_t index; /* the provided entry's "index" or count */
990	size_t total; /* total number of entries to save */
991	};
992
993	typedef enum {
994	CURLSTS_OK,
995	CURLSTS_DONE,
996	CURLSTS_FAIL
997	} CURLSTScode;
998
999	typedef CURLSTScode (*curl_hstsread_callback)(CURL *easy,
1000	struct curl_hstsentry *e,
1001	void *userp);
1002	typedef CURLSTScode (*curl_hstswrite_callback)(CURL *easy,
1003	struct curl_hstsentry *e,
1004	struct curl_index *i,
1005	void *userp);
1006
1007	/* CURLHSTS_* are bits for the CURLOPT_HSTS option */
1008	#define CURLHSTS_ENABLE (long)(1<<0)
1009	#define CURLHSTS_READONLYFILE (long)(1<<1)
1010
1011	/* CURLPROTO_ defines are for the CURLOPT_*PROTOCOLS options */
1012	#define CURLPROTO_HTTP (1<<0)
1013	#define CURLPROTO_HTTPS (1<<1)
1014	#define CURLPROTO_FTP (1<<2)
1015	#define CURLPROTO_FTPS (1<<3)
1016	#define CURLPROTO_SCP (1<<4)
1017	#define CURLPROTO_SFTP (1<<5)
1018	#define CURLPROTO_TELNET (1<<6)
1019	#define CURLPROTO_LDAP (1<<7)
1020	#define CURLPROTO_LDAPS (1<<8)
1021	#define CURLPROTO_DICT (1<<9)
1022	#define CURLPROTO_FILE (1<<10)
1023	#define CURLPROTO_TFTP (1<<11)
1024	#define CURLPROTO_IMAP (1<<12)
1025	#define CURLPROTO_IMAPS (1<<13)
1026	#define CURLPROTO_POP3 (1<<14)
1027	#define CURLPROTO_POP3S (1<<15)
1028	#define CURLPROTO_SMTP (1<<16)
1029	#define CURLPROTO_SMTPS (1<<17)
1030	#define CURLPROTO_RTSP (1<<18)
1031	#define CURLPROTO_RTMP (1<<19)
1032	#define CURLPROTO_RTMPT (1<<20)
1033	#define CURLPROTO_RTMPE (1<<21)
1034	#define CURLPROTO_RTMPTE (1<<22)
1035	#define CURLPROTO_RTMPS (1<<23)
1036	#define CURLPROTO_RTMPTS (1<<24)
1037	#define CURLPROTO_GOPHER (1<<25)
1038	#define CURLPROTO_SMB (1<<26)
1039	#define CURLPROTO_SMBS (1<<27)
1040	#define CURLPROTO_MQTT (1<<28)
1041	#define CURLPROTO_GOPHERS (1<<29)
1042	#define CURLPROTO_ALL (~0) /* enable everything */
1043
1044	/* long may be 32 or 64 bits, but we should never depend on anything else
1045	but 32 */
1046	#define CURLOPTTYPE_LONG 0
1047	#define CURLOPTTYPE_OBJECTPOINT 10000
1048	#define CURLOPTTYPE_FUNCTIONPOINT 20000
1049	#define CURLOPTTYPE_OFF_T 30000
1050	#define CURLOPTTYPE_BLOB 40000
1051
1052	/* *STRINGPOINT is an alias for OBJECTPOINT to allow tools to extract the
1053	string options from the header file */
1054
1055
1056	#define CURLOPT(na,t,nu) na = t + nu
1057
1058	/* CURLOPT aliases that make no run-time difference */
1059
1060	/* 'char *' argument to a string with a trailing zero */
1061	#define CURLOPTTYPE_STRINGPOINT CURLOPTTYPE_OBJECTPOINT
1062
1063	/* 'struct curl_slist *' argument */
1064	#define CURLOPTTYPE_SLISTPOINT CURLOPTTYPE_OBJECTPOINT
1065
1066	/* 'void *' argument passed untouched to callback */
1067	#define CURLOPTTYPE_CBPOINT CURLOPTTYPE_OBJECTPOINT
1068
1069	/* 'long' argument with a set of values/bitmask */
1070	#define CURLOPTTYPE_VALUES CURLOPTTYPE_LONG
1071
1072	/*
1073	* All CURLOPT_* values.
1074	*/
1075
1076	typedef enum {
1077	/* This is the FILE * or void * the regular output should be written to. */
1078	CURLOPT(CURLOPT_WRITEDATA, CURLOPTTYPE_CBPOINT, 1),
1079
1080	/* The full URL to get/put */
1081	CURLOPT(CURLOPT_URL, CURLOPTTYPE_STRINGPOINT, 2),
1082
1083	/* Port number to connect to, if other than default. */
1084	CURLOPT(CURLOPT_PORT, CURLOPTTYPE_LONG, 3),
1085
1086	/* Name of proxy to use. */
1087	CURLOPT(CURLOPT_PROXY, CURLOPTTYPE_STRINGPOINT, 4),
1088
1089	/* "user:password;options" to use when fetching. */
1090	CURLOPT(CURLOPT_USERPWD, CURLOPTTYPE_STRINGPOINT, 5),
1091
1092	/* "user:password" to use with proxy. */
1093	CURLOPT(CURLOPT_PROXYUSERPWD, CURLOPTTYPE_STRINGPOINT, 6),
1094
1095	/* Range to get, specified as an ASCII string. */
1096	CURLOPT(CURLOPT_RANGE, CURLOPTTYPE_STRINGPOINT, 7),
1097
1098	/* not used */
1099
1100	/* Specified file stream to upload from (use as input): */
1101	CURLOPT(CURLOPT_READDATA, CURLOPTTYPE_CBPOINT, 9),
1102
1103	/* Buffer to receive error messages in, must be at least CURL_ERROR_SIZE
1104	* bytes big. */
1105	CURLOPT(CURLOPT_ERRORBUFFER, CURLOPTTYPE_OBJECTPOINT, 10),
1106
1107	/* Function that will be called to store the output (instead of fwrite). The
1108	* parameters will use fwrite() syntax, make sure to follow them. */
1109	CURLOPT(CURLOPT_WRITEFUNCTION, CURLOPTTYPE_FUNCTIONPOINT, 11),
1110
1111	/* Function that will be called to read the input (instead of fread). The
1112	* parameters will use fread() syntax, make sure to follow them. */
1113	CURLOPT(CURLOPT_READFUNCTION, CURLOPTTYPE_FUNCTIONPOINT, 12),
1114
1115	/* Time-out the read operation after this amount of seconds */
1116	CURLOPT(CURLOPT_TIMEOUT, CURLOPTTYPE_LONG, 13),
1117
1118	/* If the CURLOPT_INFILE is used, this can be used to inform libcurl about
1119	* how large the file being sent really is. That allows better error
1120	* checking and better verifies that the upload was successful. -1 means
1121	* unknown size.
1122	*
1123	* For large file support, there is also a _LARGE version of the key
1124	* which takes an off_t type, allowing platforms with larger off_t
1125	* sizes to handle larger files. See below for INFILESIZE_LARGE.
1126	*/
1127	CURLOPT(CURLOPT_INFILESIZE, CURLOPTTYPE_LONG, 14),
1128
1129	/* POST static input fields. */
1130	CURLOPT(CURLOPT_POSTFIELDS, CURLOPTTYPE_OBJECTPOINT, 15),
1131
1132	/* Set the referrer page (needed by some CGIs) */
1133	CURLOPT(CURLOPT_REFERER, CURLOPTTYPE_STRINGPOINT, 16),
1134
1135	/* Set the FTP PORT string (interface name, named or numerical IP address)
1136	Use i.e '-' to use default address. */
1137	CURLOPT(CURLOPT_FTPPORT, CURLOPTTYPE_STRINGPOINT, 17),
1138
1139	/* Set the User-Agent string (examined by some CGIs) */
1140	CURLOPT(CURLOPT_USERAGENT, CURLOPTTYPE_STRINGPOINT, 18),
1141
1142	/* If the download receives less than "low speed limit" bytes/second
1143	* during "low speed time" seconds, the operations is aborted.
1144	* You could i.e if you have a pretty high speed connection, abort if
1145	* it is less than 2000 bytes/sec during 20 seconds.
1146	*/
1147
1148	/* Set the "low speed limit" */
1149	CURLOPT(CURLOPT_LOW_SPEED_LIMIT, CURLOPTTYPE_LONG, 19),
1150
1151	/* Set the "low speed time" */
1152	CURLOPT(CURLOPT_LOW_SPEED_TIME, CURLOPTTYPE_LONG, 20),
1153
1154	/* Set the continuation offset.
1155	*
1156	* Note there is also a _LARGE version of this key which uses
1157	* off_t types, allowing for large file offsets on platforms which
1158	* use larger-than-32-bit off_t's. Look below for RESUME_FROM_LARGE.
1159	*/
1160	CURLOPT(CURLOPT_RESUME_FROM, CURLOPTTYPE_LONG, 21),
1161
1162	/* Set cookie in request: */
1163	CURLOPT(CURLOPT_COOKIE, CURLOPTTYPE_STRINGPOINT, 22),
1164
1165	/* This points to a linked list of headers, struct curl_slist kind. This
1166	list is also used for RTSP (in spite of its name) */
1167	CURLOPT(CURLOPT_HTTPHEADER, CURLOPTTYPE_SLISTPOINT, 23),
1168
1169	/* This points to a linked list of post entries, struct curl_httppost */
1170	CURLOPT(CURLOPT_HTTPPOST, CURLOPTTYPE_OBJECTPOINT, 24),
1171
1172	/* name of the file keeping your private SSL-certificate */
1173	CURLOPT(CURLOPT_SSLCERT, CURLOPTTYPE_STRINGPOINT, 25),
1174
1175	/* password for the SSL or SSH private key */
1176	CURLOPT(CURLOPT_KEYPASSWD, CURLOPTTYPE_STRINGPOINT, 26),
1177
1178	/* send TYPE parameter? */
1179	CURLOPT(CURLOPT_CRLF, CURLOPTTYPE_LONG, 27),
1180
1181	/* send linked-list of QUOTE commands */
1182	CURLOPT(CURLOPT_QUOTE, CURLOPTTYPE_SLISTPOINT, 28),
1183
1184	/* send FILE * or void * to store headers to, if you use a callback it
1185	is simply passed to the callback unmodified */
1186	CURLOPT(CURLOPT_HEADERDATA, CURLOPTTYPE_CBPOINT, 29),
1187
1188	/* point to a file to read the initial cookies from, also enables
1189	"cookie awareness" */
1190	CURLOPT(CURLOPT_COOKIEFILE, CURLOPTTYPE_STRINGPOINT, 31),
1191
1192	/* What version to specifically try to use.
1193	See CURL_SSLVERSION defines below. */
1194	CURLOPT(CURLOPT_SSLVERSION, CURLOPTTYPE_VALUES, 32),
1195
1196	/* What kind of HTTP time condition to use, see defines */
1197	CURLOPT(CURLOPT_TIMECONDITION, CURLOPTTYPE_VALUES, 33),
1198
1199	/* Time to use with the above condition. Specified in number of seconds
1200	since 1 Jan 1970 */
1201	CURLOPT(CURLOPT_TIMEVALUE, CURLOPTTYPE_LONG, 34),
1202
1203	/* 35 = OBSOLETE */
1204
1205	/* Custom request, for customizing the get command like
1206	HTTP: DELETE, TRACE and others
1207	FTP: to use a different list command
1208	*/
1209	CURLOPT(CURLOPT_CUSTOMREQUEST, CURLOPTTYPE_STRINGPOINT, 36),
1210
1211	/* FILE handle to use instead of stderr */
1212	CURLOPT(CURLOPT_STDERR, CURLOPTTYPE_OBJECTPOINT, 37),
1213
1214	/* 38 is not used */
1215
1216	/* send linked-list of post-transfer QUOTE commands */
1217	CURLOPT(CURLOPT_POSTQUOTE, CURLOPTTYPE_SLISTPOINT, 39),
1218
1219	/* OBSOLETE, do not use! */
1220	CURLOPT(CURLOPT_OBSOLETE40, CURLOPTTYPE_OBJECTPOINT, 40),
1221
1222	/* talk a lot */
1223	CURLOPT(CURLOPT_VERBOSE, CURLOPTTYPE_LONG, 41),
1224
1225	/* throw the header out too */
1226	CURLOPT(CURLOPT_HEADER, CURLOPTTYPE_LONG, 42),
1227
1228	/* shut off the progress meter */
1229	CURLOPT(CURLOPT_NOPROGRESS, CURLOPTTYPE_LONG, 43),
1230
1231	/* use HEAD to get http document */
1232	CURLOPT(CURLOPT_NOBODY, CURLOPTTYPE_LONG, 44),
1233
1234	/* no output on http error codes >= 400 */
1235	CURLOPT(CURLOPT_FAILONERROR, CURLOPTTYPE_LONG, 45),
1236
1237	/* this is an upload */
1238	CURLOPT(CURLOPT_UPLOAD, CURLOPTTYPE_LONG, 46),
1239
1240	/* HTTP POST method */
1241	CURLOPT(CURLOPT_POST, CURLOPTTYPE_LONG, 47),
1242
1243	/* bare names when listing directories */
1244	CURLOPT(CURLOPT_DIRLISTONLY, CURLOPTTYPE_LONG, 48),
1245
1246	/* Append instead of overwrite on upload! */
1247	CURLOPT(CURLOPT_APPEND, CURLOPTTYPE_LONG, 50),
1248
1249	/* Specify whether to read the user+password from the .netrc or the URL.
1250	* This must be one of the CURL_NETRC_* enums below. */
1251	CURLOPT(CURLOPT_NETRC, CURLOPTTYPE_VALUES, 51),
1252
1253	/* use Location: Luke! */
1254	CURLOPT(CURLOPT_FOLLOWLOCATION, CURLOPTTYPE_LONG, 52),
1255
1256	/* transfer data in text/ASCII format */
1257	CURLOPT(CURLOPT_TRANSFERTEXT, CURLOPTTYPE_LONG, 53),
1258
1259	/* HTTP PUT */
1260	CURLOPT(CURLOPT_PUT, CURLOPTTYPE_LONG, 54),
1261
1262	/* 55 = OBSOLETE */
1263
1264	/* DEPRECATED
1265	* Function that will be called instead of the internal progress display
1266	* function. This function should be defined as the curl_progress_callback
1267	* prototype defines. */
1268	CURLOPT(CURLOPT_PROGRESSFUNCTION, CURLOPTTYPE_FUNCTIONPOINT, 56),
1269
1270	/* Data passed to the CURLOPT_PROGRESSFUNCTION and CURLOPT_XFERINFOFUNCTION
1271	callbacks */
1272	CURLOPT(CURLOPT_XFERINFODATA, CURLOPTTYPE_CBPOINT, 57),
1273	#define CURLOPT_PROGRESSDATA CURLOPT_XFERINFODATA
1274
1275	/* We want the referrer field set automatically when following locations */
1276	CURLOPT(CURLOPT_AUTOREFERER, CURLOPTTYPE_LONG, 58),
1277
1278	/* Port of the proxy, can be set in the proxy string as well with:
1279	"[host]:[port]" */
1280	CURLOPT(CURLOPT_PROXYPORT, CURLOPTTYPE_LONG, 59),
1281
1282	/* size of the POST input data, if strlen() is not good to use */
1283	CURLOPT(CURLOPT_POSTFIELDSIZE, CURLOPTTYPE_LONG, 60),
1284
1285	/* tunnel non-http operations through a HTTP proxy */
1286	CURLOPT(CURLOPT_HTTPPROXYTUNNEL, CURLOPTTYPE_LONG, 61),
1287
1288	/* Set the interface string to use as outgoing network interface */
1289	CURLOPT(CURLOPT_INTERFACE, CURLOPTTYPE_STRINGPOINT, 62),
1290
1291	/* Set the krb4/5 security level, this also enables krb4/5 awareness. This
1292	* is a string, 'clear', 'safe', 'confidential' or 'private'. If the string
1293	* is set but doesn't match one of these, 'private' will be used. */
1294	CURLOPT(CURLOPT_KRBLEVEL, CURLOPTTYPE_STRINGPOINT, 63),
1295
1296	/* Set if we should verify the peer in ssl handshake, set 1 to verify. */
1297	CURLOPT(CURLOPT_SSL_VERIFYPEER, CURLOPTTYPE_LONG, 64),
1298
1299	/* The CApath or CAfile used to validate the peer certificate
1300	this option is used only if SSL_VERIFYPEER is true */
1301	CURLOPT(CURLOPT_CAINFO, CURLOPTTYPE_STRINGPOINT, 65),
1302
1303	/* 66 = OBSOLETE */
1304	/* 67 = OBSOLETE */
1305
1306	/* Maximum number of http redirects to follow */
1307	CURLOPT(CURLOPT_MAXREDIRS, CURLOPTTYPE_LONG, 68),
1308
1309	/* Pass a long set to 1 to get the date of the requested document (if
1310	possible)! Pass a zero to shut it off. */
1311	CURLOPT(CURLOPT_FILETIME, CURLOPTTYPE_LONG, 69),
1312
1313	/* This points to a linked list of telnet options */
1314	CURLOPT(CURLOPT_TELNETOPTIONS, CURLOPTTYPE_SLISTPOINT, 70),
1315
1316	/* Max amount of cached alive connections */
1317	CURLOPT(CURLOPT_MAXCONNECTS, CURLOPTTYPE_LONG, 71),
1318
1319	/* OBSOLETE, do not use! */
1320	CURLOPT(CURLOPT_OBSOLETE72, CURLOPTTYPE_LONG, 72),
1321
1322	/* 73 = OBSOLETE */
1323
1324	/* Set to explicitly use a new connection for the upcoming transfer.
1325	Do not use this unless you're absolutely sure of this, as it makes the
1326	operation slower and is less friendly for the network. */
1327	CURLOPT(CURLOPT_FRESH_CONNECT, CURLOPTTYPE_LONG, 74),
1328
1329	/* Set to explicitly forbid the upcoming transfer's connection to be re-used
1330	when done. Do not use this unless you're absolutely sure of this, as it
1331	makes the operation slower and is less friendly for the network. */
1332	CURLOPT(CURLOPT_FORBID_REUSE, CURLOPTTYPE_LONG, 75),
1333
1334	/* Set to a file name that contains random data for libcurl to use to
1335	seed the random engine when doing SSL connects. */
1336	CURLOPT(CURLOPT_RANDOM_FILE, CURLOPTTYPE_STRINGPOINT, 76),
1337
1338	/* Set to the Entropy Gathering Daemon socket pathname */
1339	CURLOPT(CURLOPT_EGDSOCKET, CURLOPTTYPE_STRINGPOINT, 77),
1340
1341	/* Time-out connect operations after this amount of seconds, if connects are
1342	OK within this time, then fine... This only aborts the connect phase. */
1343	CURLOPT(CURLOPT_CONNECTTIMEOUT, CURLOPTTYPE_LONG, 78),
1344
1345	/* Function that will be called to store headers (instead of fwrite). The
1346	* parameters will use fwrite() syntax, make sure to follow them. */
1347	CURLOPT(CURLOPT_HEADERFUNCTION, CURLOPTTYPE_FUNCTIONPOINT, 79),
1348
1349	/* Set this to force the HTTP request to get back to GET. Only really usable
1350	if POST, PUT or a custom request have been used first.
1351	*/
1352	CURLOPT(CURLOPT_HTTPGET, CURLOPTTYPE_LONG, 80),
1353
1354	/* Set if we should verify the Common name from the peer certificate in ssl
1355	* handshake, set 1 to check existence, 2 to ensure that it matches the
1356	* provided hostname. */
1357	CURLOPT(CURLOPT_SSL_VERIFYHOST, CURLOPTTYPE_LONG, 81),
1358
1359	/* Specify which file name to write all known cookies in after completed
1360	operation. Set file name to "-" (dash) to make it go to stdout. */
1361	CURLOPT(CURLOPT_COOKIEJAR, CURLOPTTYPE_STRINGPOINT, 82),
1362
1363	/* Specify which SSL ciphers to use */
1364	CURLOPT(CURLOPT_SSL_CIPHER_LIST, CURLOPTTYPE_STRINGPOINT, 83),
1365
1366	/* Specify which HTTP version to use! This must be set to one of the
1367	CURL_HTTP_VERSION* enums set below. */
1368	CURLOPT(CURLOPT_HTTP_VERSION, CURLOPTTYPE_VALUES, 84),
1369
1370	/* Specifically switch on or off the FTP engine's use of the EPSV command. By
1371	default, that one will always be attempted before the more traditional
1372	PASV command. */
1373	CURLOPT(CURLOPT_FTP_USE_EPSV, CURLOPTTYPE_LONG, 85),
1374
1375	/* type of the file keeping your SSL-certificate ("DER", "PEM", "ENG") */
1376	CURLOPT(CURLOPT_SSLCERTTYPE, CURLOPTTYPE_STRINGPOINT, 86),
1377
1378	/* name of the file keeping your private SSL-key */
1379	CURLOPT(CURLOPT_SSLKEY, CURLOPTTYPE_STRINGPOINT, 87),
1380
1381	/* type of the file keeping your private SSL-key ("DER", "PEM", "ENG") */
1382	CURLOPT(CURLOPT_SSLKEYTYPE, CURLOPTTYPE_STRINGPOINT, 88),
1383
1384	/* crypto engine for the SSL-sub system */
1385	CURLOPT(CURLOPT_SSLENGINE, CURLOPTTYPE_STRINGPOINT, 89),
1386
1387	/* set the crypto engine for the SSL-sub system as default
1388	the param has no meaning...
1389	*/
1390	CURLOPT(CURLOPT_SSLENGINE_DEFAULT, CURLOPTTYPE_LONG, 90),
1391
1392	/* Non-zero value means to use the global dns cache */
1393	/* DEPRECATED, do not use! */
1394	CURLOPT(CURLOPT_DNS_USE_GLOBAL_CACHE, CURLOPTTYPE_LONG, 91),
1395
1396	/* DNS cache timeout */
1397	CURLOPT(CURLOPT_DNS_CACHE_TIMEOUT, CURLOPTTYPE_LONG, 92),
1398
1399	/* send linked-list of pre-transfer QUOTE commands */
1400	CURLOPT(CURLOPT_PREQUOTE, CURLOPTTYPE_SLISTPOINT, 93),
1401
1402	/* set the debug function */
1403	CURLOPT(CURLOPT_DEBUGFUNCTION, CURLOPTTYPE_FUNCTIONPOINT, 94),
1404
1405	/* set the data for the debug function */
1406	CURLOPT(CURLOPT_DEBUGDATA, CURLOPTTYPE_CBPOINT, 95),
1407
1408	/* mark this as start of a cookie session */
1409	CURLOPT(CURLOPT_COOKIESESSION, CURLOPTTYPE_LONG, 96),
1410
1411	/* The CApath directory used to validate the peer certificate
1412	this option is used only if SSL_VERIFYPEER is true */
1413	CURLOPT(CURLOPT_CAPATH, CURLOPTTYPE_STRINGPOINT, 97),
1414
1415	/* Instruct libcurl to use a smaller receive buffer */
1416	CURLOPT(CURLOPT_BUFFERSIZE, CURLOPTTYPE_LONG, 98),
1417
1418	/* Instruct libcurl to not use any signal/alarm handlers, even when using
1419	timeouts. This option is useful for multi-threaded applications.
1420	See libcurl-the-guide for more background information. */
1421	CURLOPT(CURLOPT_NOSIGNAL, CURLOPTTYPE_LONG, 99),
1422
1423	/* Provide a CURLShare for mutexing non-ts data */
1424	CURLOPT(CURLOPT_SHARE, CURLOPTTYPE_OBJECTPOINT, 100),
1425
1426	/* indicates type of proxy. accepted values are CURLPROXY_HTTP (default),
1427	CURLPROXY_HTTPS, CURLPROXY_SOCKS4, CURLPROXY_SOCKS4A and
1428	CURLPROXY_SOCKS5. */
1429	CURLOPT(CURLOPT_PROXYTYPE, CURLOPTTYPE_VALUES, 101),
1430
1431	/* Set the Accept-Encoding string. Use this to tell a server you would like
1432	the response to be compressed. Before 7.21.6, this was known as
1433	CURLOPT_ENCODING */
1434	CURLOPT(CURLOPT_ACCEPT_ENCODING, CURLOPTTYPE_STRINGPOINT, 102),
1435
1436	/* Set pointer to private data */
1437	CURLOPT(CURLOPT_PRIVATE, CURLOPTTYPE_OBJECTPOINT, 103),
1438
1439	/* Set aliases for HTTP 200 in the HTTP Response header */
1440	CURLOPT(CURLOPT_HTTP200ALIASES, CURLOPTTYPE_SLISTPOINT, 104),
1441
1442	/* Continue to send authentication (user+password) when following locations,
1443	even when hostname changed. This can potentially send off the name
1444	and password to whatever host the server decides. */
1445	CURLOPT(CURLOPT_UNRESTRICTED_AUTH, CURLOPTTYPE_LONG, 105),
1446
1447	/* Specifically switch on or off the FTP engine's use of the EPRT command (
1448	it also disables the LPRT attempt). By default, those ones will always be
1449	attempted before the good old traditional PORT command. */
1450	CURLOPT(CURLOPT_FTP_USE_EPRT, CURLOPTTYPE_LONG, 106),
1451
1452	/* Set this to a bitmask value to enable the particular authentications
1453	methods you like. Use this in combination with CURLOPT_USERPWD.
1454	Note that setting multiple bits may cause extra network round-trips. */
1455	CURLOPT(CURLOPT_HTTPAUTH, CURLOPTTYPE_VALUES, 107),
1456
1457	/* Set the ssl context callback function, currently only for OpenSSL or
1458	WolfSSL ssl_ctx, or mbedTLS mbedtls_ssl_config in the second argument.
1459	The function must match the curl_ssl_ctx_callback prototype. */
1460	CURLOPT(CURLOPT_SSL_CTX_FUNCTION, CURLOPTTYPE_FUNCTIONPOINT, 108),
1461
1462	/* Set the userdata for the ssl context callback function's third
1463	argument */
1464	CURLOPT(CURLOPT_SSL_CTX_DATA, CURLOPTTYPE_CBPOINT, 109),
1465
1466	/* FTP Option that causes missing dirs to be created on the remote server.
1467	In 7.19.4 we introduced the convenience enums for this option using the
1468	CURLFTP_CREATE_DIR prefix.
1469	*/
1470	CURLOPT(CURLOPT_FTP_CREATE_MISSING_DIRS, CURLOPTTYPE_LONG, 110),
1471
1472	/* Set this to a bitmask value to enable the particular authentications
1473	methods you like. Use this in combination with CURLOPT_PROXYUSERPWD.
1474	Note that setting multiple bits may cause extra network round-trips. */
1475	CURLOPT(CURLOPT_PROXYAUTH, CURLOPTTYPE_VALUES, 111),
1476
1477	/* FTP option that changes the timeout, in seconds, associated with
1478	getting a response. This is different from transfer timeout time and
1479	essentially places a demand on the FTP server to acknowledge commands
1480	in a timely manner. */
1481	CURLOPT(CURLOPT_FTP_RESPONSE_TIMEOUT, CURLOPTTYPE_LONG, 112),
1482	#define CURLOPT_SERVER_RESPONSE_TIMEOUT CURLOPT_FTP_RESPONSE_TIMEOUT
1483
1484	/* Set this option to one of the CURL_IPRESOLVE_* defines (see below) to
1485	tell libcurl to use those IP versions only. This only has effect on
1486	systems with support for more than one, i.e IPv4 _and_ IPv6. */
1487	CURLOPT(CURLOPT_IPRESOLVE, CURLOPTTYPE_VALUES, 113),
1488
1489	/* Set this option to limit the size of a file that will be downloaded from
1490	an HTTP or FTP server.
1491
1492	Note there is also _LARGE version which adds large file support for
1493	platforms which have larger off_t sizes. See MAXFILESIZE_LARGE below. */
1494	CURLOPT(CURLOPT_MAXFILESIZE, CURLOPTTYPE_LONG, 114),
1495
1496	/* See the comment for INFILESIZE above, but in short, specifies
1497	* the size of the file being uploaded. -1 means unknown.
1498	*/
1499	CURLOPT(CURLOPT_INFILESIZE_LARGE, CURLOPTTYPE_OFF_T, 115),
1500
1501	/* Sets the continuation offset. There is also a CURLOPTTYPE_LONG version
1502	* of this; look above for RESUME_FROM.
1503	*/
1504	CURLOPT(CURLOPT_RESUME_FROM_LARGE, CURLOPTTYPE_OFF_T, 116),
1505
1506	/* Sets the maximum size of data that will be downloaded from
1507	* an HTTP or FTP server. See MAXFILESIZE above for the LONG version.
1508	*/
1509	CURLOPT(CURLOPT_MAXFILESIZE_LARGE, CURLOPTTYPE_OFF_T, 117),
1510
1511	/* Set this option to the file name of your .netrc file you want libcurl
1512	to parse (using the CURLOPT_NETRC option). If not set, libcurl will do
1513	a poor attempt to find the user's home directory and check for a .netrc
1514	file in there. */
1515	CURLOPT(CURLOPT_NETRC_FILE, CURLOPTTYPE_STRINGPOINT, 118),
1516
1517	/* Enable SSL/TLS for FTP, pick one of:
1518	CURLUSESSL_TRY - try using SSL, proceed anyway otherwise
1519	CURLUSESSL_CONTROL - SSL for the control connection or fail
1520	CURLUSESSL_ALL - SSL for all communication or fail
1521	*/
1522	CURLOPT(CURLOPT_USE_SSL, CURLOPTTYPE_VALUES, 119),
1523
1524	/* The _LARGE version of the standard POSTFIELDSIZE option */
1525	CURLOPT(CURLOPT_POSTFIELDSIZE_LARGE, CURLOPTTYPE_OFF_T, 120),
1526
1527	/* Enable/disable the TCP Nagle algorithm */
1528	CURLOPT(CURLOPT_TCP_NODELAY, CURLOPTTYPE_LONG, 121),
1529
1530	/* 122 OBSOLETE, used in 7.12.3. Gone in 7.13.0 */
1531	/* 123 OBSOLETE. Gone in 7.16.0 */
1532	/* 124 OBSOLETE, used in 7.12.3. Gone in 7.13.0 */
1533	/* 125 OBSOLETE, used in 7.12.3. Gone in 7.13.0 */
1534	/* 126 OBSOLETE, used in 7.12.3. Gone in 7.13.0 */
1535	/* 127 OBSOLETE. Gone in 7.16.0 */
1536	/* 128 OBSOLETE. Gone in 7.16.0 */
1537
1538	/* When FTP over SSL/TLS is selected (with CURLOPT_USE_SSL), this option
1539	can be used to change libcurl's default action which is to first try
1540	"AUTH SSL" and then "AUTH TLS" in this order, and proceed when a OK
1541	response has been received.
1542
1543	Available parameters are:
1544	CURLFTPAUTH_DEFAULT - let libcurl decide
1545	CURLFTPAUTH_SSL - try "AUTH SSL" first, then TLS
1546	CURLFTPAUTH_TLS - try "AUTH TLS" first, then SSL
1547	*/
1548	CURLOPT(CURLOPT_FTPSSLAUTH, CURLOPTTYPE_VALUES, 129),
1549
1550	CURLOPT(CURLOPT_IOCTLFUNCTION, CURLOPTTYPE_FUNCTIONPOINT, 130),
1551	CURLOPT(CURLOPT_IOCTLDATA, CURLOPTTYPE_CBPOINT, 131),
1552
1553	/* 132 OBSOLETE. Gone in 7.16.0 */
1554	/* 133 OBSOLETE. Gone in 7.16.0 */
1555
1556	/* null-terminated string for pass on to the FTP server when asked for
1557	"account" info */
1558	CURLOPT(CURLOPT_FTP_ACCOUNT, CURLOPTTYPE_STRINGPOINT, 134),
1559
1560	/* feed cookie into cookie engine */
1561	CURLOPT(CURLOPT_COOKIELIST, CURLOPTTYPE_STRINGPOINT, 135),
1562
1563	/* ignore Content-Length */
1564	CURLOPT(CURLOPT_IGNORE_CONTENT_LENGTH, CURLOPTTYPE_LONG, 136),
1565
1566	/* Set to non-zero to skip the IP address received in a 227 PASV FTP server
1567	response. Typically used for FTP-SSL purposes but is not restricted to
1568	that. libcurl will then instead use the same IP address it used for the
1569	control connection. */
1570	CURLOPT(CURLOPT_FTP_SKIP_PASV_IP, CURLOPTTYPE_LONG, 137),
1571
1572	/* Select "file method" to use when doing FTP, see the curl_ftpmethod
1573	above. */
1574	CURLOPT(CURLOPT_FTP_FILEMETHOD, CURLOPTTYPE_VALUES, 138),
1575
1576	/* Local port number to bind the socket to */
1577	CURLOPT(CURLOPT_LOCALPORT, CURLOPTTYPE_LONG, 139),
1578
1579	/* Number of ports to try, including the first one set with LOCALPORT.
1580	Thus, setting it to 1 will make no additional attempts but the first.
1581	*/
1582	CURLOPT(CURLOPT_LOCALPORTRANGE, CURLOPTTYPE_LONG, 140),
1583
1584	/* no transfer, set up connection and let application use the socket by
1585	extracting it with CURLINFO_LASTSOCKET */
1586	CURLOPT(CURLOPT_CONNECT_ONLY, CURLOPTTYPE_LONG, 141),
1587
1588	/* Function that will be called to convert from the
1589	network encoding (instead of using the iconv calls in libcurl) */
1590	CURLOPT(CURLOPT_CONV_FROM_NETWORK_FUNCTION, CURLOPTTYPE_FUNCTIONPOINT, 142),
1591
1592	/* Function that will be called to convert to the
1593	network encoding (instead of using the iconv calls in libcurl) */
1594	CURLOPT(CURLOPT_CONV_TO_NETWORK_FUNCTION, CURLOPTTYPE_FUNCTIONPOINT, 143),
1595
1596	/* Function that will be called to convert from UTF8
1597	(instead of using the iconv calls in libcurl)
1598	Note that this is used only for SSL certificate processing */
1599	CURLOPT(CURLOPT_CONV_FROM_UTF8_FUNCTION, CURLOPTTYPE_FUNCTIONPOINT, 144),
1600
1601	/* if the connection proceeds too quickly then need to slow it down */
1602	/* limit-rate: maximum number of bytes per second to send or receive */
1603	CURLOPT(CURLOPT_MAX_SEND_SPEED_LARGE, CURLOPTTYPE_OFF_T, 145),
1604	CURLOPT(CURLOPT_MAX_RECV_SPEED_LARGE, CURLOPTTYPE_OFF_T, 146),
1605
1606	/* Pointer to command string to send if USER/PASS fails. */
1607	CURLOPT(CURLOPT_FTP_ALTERNATIVE_TO_USER, CURLOPTTYPE_STRINGPOINT, 147),
1608
1609	/* callback function for setting socket options */
1610	CURLOPT(CURLOPT_SOCKOPTFUNCTION, CURLOPTTYPE_FUNCTIONPOINT, 148),
1611	CURLOPT(CURLOPT_SOCKOPTDATA, CURLOPTTYPE_CBPOINT, 149),
1612
1613	/* set to 0 to disable session ID re-use for this transfer, default is
1614	enabled (== 1) */
1615	CURLOPT(CURLOPT_SSL_SESSIONID_CACHE, CURLOPTTYPE_LONG, 150),
1616
1617	/* allowed SSH authentication methods */
1618	CURLOPT(CURLOPT_SSH_AUTH_TYPES, CURLOPTTYPE_VALUES, 151),
1619
1620	/* Used by scp/sftp to do public/private key authentication */
1621	CURLOPT(CURLOPT_SSH_PUBLIC_KEYFILE, CURLOPTTYPE_STRINGPOINT, 152),
1622	CURLOPT(CURLOPT_SSH_PRIVATE_KEYFILE, CURLOPTTYPE_STRINGPOINT, 153),
1623
1624	/* Send CCC (Clear Command Channel) after authentication */
1625	CURLOPT(CURLOPT_FTP_SSL_CCC, CURLOPTTYPE_LONG, 154),
1626
1627	/* Same as TIMEOUT and CONNECTTIMEOUT, but with ms resolution */
1628	CURLOPT(CURLOPT_TIMEOUT_MS, CURLOPTTYPE_LONG, 155),
1629	CURLOPT(CURLOPT_CONNECTTIMEOUT_MS, CURLOPTTYPE_LONG, 156),
1630
1631	/* set to zero to disable the libcurl's decoding and thus pass the raw body
1632	data to the application even when it is encoded/compressed */
1633	CURLOPT(CURLOPT_HTTP_TRANSFER_DECODING, CURLOPTTYPE_LONG, 157),
1634	CURLOPT(CURLOPT_HTTP_CONTENT_DECODING, CURLOPTTYPE_LONG, 158),
1635
1636	/* Permission used when creating new files and directories on the remote
1637	server for protocols that support it, SFTP/SCP/FILE */
1638	CURLOPT(CURLOPT_NEW_FILE_PERMS, CURLOPTTYPE_LONG, 159),
1639	CURLOPT(CURLOPT_NEW_DIRECTORY_PERMS, CURLOPTTYPE_LONG, 160),
1640
1641	/* Set the behavior of POST when redirecting. Values must be set to one
1642	of CURL_REDIR* defines below. This used to be called CURLOPT_POST301 */
1643	CURLOPT(CURLOPT_POSTREDIR, CURLOPTTYPE_VALUES, 161),
1644
1645	/* used by scp/sftp to verify the host's public key */
1646	CURLOPT(CURLOPT_SSH_HOST_PUBLIC_KEY_MD5, CURLOPTTYPE_STRINGPOINT, 162),
1647
1648	/* Callback function for opening socket (instead of socket(2)). Optionally,
1649	callback is able change the address or refuse to connect returning
1650	CURL_SOCKET_BAD. The callback should have type
1651	curl_opensocket_callback */
1652	CURLOPT(CURLOPT_OPENSOCKETFUNCTION, CURLOPTTYPE_FUNCTIONPOINT, 163),
1653	CURLOPT(CURLOPT_OPENSOCKETDATA, CURLOPTTYPE_CBPOINT, 164),
1654
1655	/* POST volatile input fields. */
1656	CURLOPT(CURLOPT_COPYPOSTFIELDS, CURLOPTTYPE_OBJECTPOINT, 165),
1657
1658	/* set transfer mode (;type=<a|i>) when doing FTP via an HTTP proxy */
1659	CURLOPT(CURLOPT_PROXY_TRANSFER_MODE, CURLOPTTYPE_LONG, 166),
1660
1661	/* Callback function for seeking in the input stream */
1662	CURLOPT(CURLOPT_SEEKFUNCTION, CURLOPTTYPE_FUNCTIONPOINT, 167),
1663	CURLOPT(CURLOPT_SEEKDATA, CURLOPTTYPE_CBPOINT, 168),
1664
1665	/* CRL file */
1666	CURLOPT(CURLOPT_CRLFILE, CURLOPTTYPE_STRINGPOINT, 169),
1667
1668	/* Issuer certificate */
1669	CURLOPT(CURLOPT_ISSUERCERT, CURLOPTTYPE_STRINGPOINT, 170),
1670
1671	/* (IPv6) Address scope */
1672	CURLOPT(CURLOPT_ADDRESS_SCOPE, CURLOPTTYPE_LONG, 171),
1673
1674	/* Collect certificate chain info and allow it to get retrievable with
1675	CURLINFO_CERTINFO after the transfer is complete. */
1676	CURLOPT(CURLOPT_CERTINFO, CURLOPTTYPE_LONG, 172),
1677
1678	/* "name" and "pwd" to use when fetching. */
1679	CURLOPT(CURLOPT_USERNAME, CURLOPTTYPE_STRINGPOINT, 173),
1680	CURLOPT(CURLOPT_PASSWORD, CURLOPTTYPE_STRINGPOINT, 174),
1681
1682	/* "name" and "pwd" to use with Proxy when fetching. */
1683	CURLOPT(CURLOPT_PROXYUSERNAME, CURLOPTTYPE_STRINGPOINT, 175),
1684	CURLOPT(CURLOPT_PROXYPASSWORD, CURLOPTTYPE_STRINGPOINT, 176),
1685
1686	/* Comma separated list of hostnames defining no-proxy zones. These should
1687	match both hostnames directly, and hostnames within a domain. For
1688	example, local.com will match local.com and www.local.com, but NOT
1689	notlocal.com or www.notlocal.com. For compatibility with other
1690	implementations of this, .local.com will be considered to be the same as
1691	local.com. A single * is the only valid wildcard, and effectively
1692	disables the use of proxy. */
1693	CURLOPT(CURLOPT_NOPROXY, CURLOPTTYPE_STRINGPOINT, 177),
1694
1695	/* block size for TFTP transfers */
1696	CURLOPT(CURLOPT_TFTP_BLKSIZE, CURLOPTTYPE_LONG, 178),
1697
1698	/* Socks Service */
1699	/* DEPRECATED, do not use! */
1700	CURLOPT(CURLOPT_SOCKS5_GSSAPI_SERVICE, CURLOPTTYPE_STRINGPOINT, 179),
1701
1702	/* Socks Service */
1703	CURLOPT(CURLOPT_SOCKS5_GSSAPI_NEC, CURLOPTTYPE_LONG, 180),
1704
1705	/* set the bitmask for the protocols that are allowed to be used for the
1706	transfer, which thus helps the app which takes URLs from users or other
1707	external inputs and want to restrict what protocol(s) to deal
1708	with. Defaults to CURLPROTO_ALL. */
1709	CURLOPT(CURLOPT_PROTOCOLS, CURLOPTTYPE_LONG, 181),
1710
1711	/* set the bitmask for the protocols that libcurl is allowed to follow to,
1712	as a subset of the CURLOPT_PROTOCOLS ones. That means the protocol needs
1713	to be set in both bitmasks to be allowed to get redirected to. */
1714	CURLOPT(CURLOPT_REDIR_PROTOCOLS, CURLOPTTYPE_LONG, 182),
1715
1716	/* set the SSH knownhost file name to use */
1717	CURLOPT(CURLOPT_SSH_KNOWNHOSTS, CURLOPTTYPE_STRINGPOINT, 183),
1718
1719	/* set the SSH host key callback, must point to a curl_sshkeycallback
1720	function */
1721	CURLOPT(CURLOPT_SSH_KEYFUNCTION, CURLOPTTYPE_FUNCTIONPOINT, 184),
1722
1723	/* set the SSH host key callback custom pointer */
1724	CURLOPT(CURLOPT_SSH_KEYDATA, CURLOPTTYPE_CBPOINT, 185),
1725
1726	/* set the SMTP mail originator */
1727	CURLOPT(CURLOPT_MAIL_FROM, CURLOPTTYPE_STRINGPOINT, 186),
1728
1729	/* set the list of SMTP mail receiver(s) */
1730	CURLOPT(CURLOPT_MAIL_RCPT, CURLOPTTYPE_SLISTPOINT, 187),
1731
1732	/* FTP: send PRET before PASV */
1733	CURLOPT(CURLOPT_FTP_USE_PRET, CURLOPTTYPE_LONG, 188),
1734
1735	/* RTSP request method (OPTIONS, SETUP, PLAY, etc...) */
1736	CURLOPT(CURLOPT_RTSP_REQUEST, CURLOPTTYPE_VALUES, 189),
1737
1738	/* The RTSP session identifier */
1739	CURLOPT(CURLOPT_RTSP_SESSION_ID, CURLOPTTYPE_STRINGPOINT, 190),
1740
1741	/* The RTSP stream URI */
1742	CURLOPT(CURLOPT_RTSP_STREAM_URI, CURLOPTTYPE_STRINGPOINT, 191),
1743
1744	/* The Transport: header to use in RTSP requests */
1745	CURLOPT(CURLOPT_RTSP_TRANSPORT, CURLOPTTYPE_STRINGPOINT, 192),
1746
1747	/* Manually initialize the client RTSP CSeq for this handle */
1748	CURLOPT(CURLOPT_RTSP_CLIENT_CSEQ, CURLOPTTYPE_LONG, 193),
1749
1750	/* Manually initialize the server RTSP CSeq for this handle */
1751	CURLOPT(CURLOPT_RTSP_SERVER_CSEQ, CURLOPTTYPE_LONG, 194),
1752
1753	/* The stream to pass to INTERLEAVEFUNCTION. */
1754	CURLOPT(CURLOPT_INTERLEAVEDATA, CURLOPTTYPE_CBPOINT, 195),
1755
1756	/* Let the application define a custom write method for RTP data */
1757	CURLOPT(CURLOPT_INTERLEAVEFUNCTION, CURLOPTTYPE_FUNCTIONPOINT, 196),
1758
1759	/* Turn on wildcard matching */
1760	CURLOPT(CURLOPT_WILDCARDMATCH, CURLOPTTYPE_LONG, 197),
1761
1762	/* Directory matching callback called before downloading of an
1763	individual file (chunk) started */
1764	CURLOPT(CURLOPT_CHUNK_BGN_FUNCTION, CURLOPTTYPE_FUNCTIONPOINT, 198),
1765
1766	/* Directory matching callback called after the file (chunk)
1767	was downloaded, or skipped */
1768	CURLOPT(CURLOPT_CHUNK_END_FUNCTION, CURLOPTTYPE_FUNCTIONPOINT, 199),
1769
1770	/* Change match (fnmatch-like) callback for wildcard matching */
1771	CURLOPT(CURLOPT_FNMATCH_FUNCTION, CURLOPTTYPE_FUNCTIONPOINT, 200),
1772
1773	/* Let the application define custom chunk data pointer */
1774	CURLOPT(CURLOPT_CHUNK_DATA, CURLOPTTYPE_CBPOINT, 201),
1775
1776	/* FNMATCH_FUNCTION user pointer */
1777	CURLOPT(CURLOPT_FNMATCH_DATA, CURLOPTTYPE_CBPOINT, 202),
1778
1779	/* send linked-list of name:port:address sets */
1780	CURLOPT(CURLOPT_RESOLVE, CURLOPTTYPE_SLISTPOINT, 203),
1781
1782	/* Set a username for authenticated TLS */
1783	CURLOPT(CURLOPT_TLSAUTH_USERNAME, CURLOPTTYPE_STRINGPOINT, 204),
1784
1785	/* Set a password for authenticated TLS */
1786	CURLOPT(CURLOPT_TLSAUTH_PASSWORD, CURLOPTTYPE_STRINGPOINT, 205),
1787
1788	/* Set authentication type for authenticated TLS */
1789	CURLOPT(CURLOPT_TLSAUTH_TYPE, CURLOPTTYPE_STRINGPOINT, 206),
1790
1791	/* Set to 1 to enable the "TE:" header in HTTP requests to ask for
1792	compressed transfer-encoded responses. Set to 0 to disable the use of TE:
1793	in outgoing requests. The current default is 0, but it might change in a
1794	future libcurl release.
1795
1796	libcurl will ask for the compressed methods it knows of, and if that
1797	isn't any, it will not ask for transfer-encoding at all even if this
1798	option is set to 1.
1799
1800	*/
1801	CURLOPT(CURLOPT_TRANSFER_ENCODING, CURLOPTTYPE_LONG, 207),
1802
1803	/* Callback function for closing socket (instead of close(2)). The callback
1804	should have type curl_closesocket_callback */
1805	CURLOPT(CURLOPT_CLOSESOCKETFUNCTION, CURLOPTTYPE_FUNCTIONPOINT, 208),
1806	CURLOPT(CURLOPT_CLOSESOCKETDATA, CURLOPTTYPE_CBPOINT, 209),
1807
1808	/* allow GSSAPI credential delegation */
1809	CURLOPT(CURLOPT_GSSAPI_DELEGATION, CURLOPTTYPE_VALUES, 210),
1810
1811	/* Set the name servers to use for DNS resolution */
1812	CURLOPT(CURLOPT_DNS_SERVERS, CURLOPTTYPE_STRINGPOINT, 211),
1813
1814	/* Time-out accept operations (currently for FTP only) after this amount
1815	of milliseconds. */
1816	CURLOPT(CURLOPT_ACCEPTTIMEOUT_MS, CURLOPTTYPE_LONG, 212),
1817
1818	/* Set TCP keepalive */
1819	CURLOPT(CURLOPT_TCP_KEEPALIVE, CURLOPTTYPE_LONG, 213),
1820
1821	/* non-universal keepalive knobs (Linux, AIX, HP-UX, more) */
1822	CURLOPT(CURLOPT_TCP_KEEPIDLE, CURLOPTTYPE_LONG, 214),
1823	CURLOPT(CURLOPT_TCP_KEEPINTVL, CURLOPTTYPE_LONG, 215),
1824
1825	/* Enable/disable specific SSL features with a bitmask, see CURLSSLOPT_* */
1826	CURLOPT(CURLOPT_SSL_OPTIONS, CURLOPTTYPE_VALUES, 216),
1827
1828	/* Set the SMTP auth originator */
1829	CURLOPT(CURLOPT_MAIL_AUTH, CURLOPTTYPE_STRINGPOINT, 217),
1830
1831	/* Enable/disable SASL initial response */
1832	CURLOPT(CURLOPT_SASL_IR, CURLOPTTYPE_LONG, 218),
1833
1834	/* Function that will be called instead of the internal progress display
1835	* function. This function should be defined as the curl_xferinfo_callback
1836	* prototype defines. (Deprecates CURLOPT_PROGRESSFUNCTION) */
1837	CURLOPT(CURLOPT_XFERINFOFUNCTION, CURLOPTTYPE_FUNCTIONPOINT, 219),
1838
1839	/* The XOAUTH2 bearer token */
1840	CURLOPT(CURLOPT_XOAUTH2_BEARER, CURLOPTTYPE_STRINGPOINT, 220),
1841
1842	/* Set the interface string to use as outgoing network
1843	* interface for DNS requests.
1844	* Only supported by the c-ares DNS backend */
1845	CURLOPT(CURLOPT_DNS_INTERFACE, CURLOPTTYPE_STRINGPOINT, 221),
1846
1847	/* Set the local IPv4 address to use for outgoing DNS requests.
1848	* Only supported by the c-ares DNS backend */
1849	CURLOPT(CURLOPT_DNS_LOCAL_IP4, CURLOPTTYPE_STRINGPOINT, 222),
1850
1851	/* Set the local IPv6 address to use for outgoing DNS requests.
1852	* Only supported by the c-ares DNS backend */
1853	CURLOPT(CURLOPT_DNS_LOCAL_IP6, CURLOPTTYPE_STRINGPOINT, 223),
1854
1855	/* Set authentication options directly */
1856	CURLOPT(CURLOPT_LOGIN_OPTIONS, CURLOPTTYPE_STRINGPOINT, 224),
1857
1858	/* Enable/disable TLS NPN extension (http2 over ssl might fail without) */
1859	CURLOPT(CURLOPT_SSL_ENABLE_NPN, CURLOPTTYPE_LONG, 225),
1860
1861	/* Enable/disable TLS ALPN extension (http2 over ssl might fail without) */
1862	CURLOPT(CURLOPT_SSL_ENABLE_ALPN, CURLOPTTYPE_LONG, 226),
1863
1864	/* Time to wait for a response to a HTTP request containing an
1865	* Expect: 100-continue header before sending the data anyway. */
1866	CURLOPT(CURLOPT_EXPECT_100_TIMEOUT_MS, CURLOPTTYPE_LONG, 227),
1867
1868	/* This points to a linked list of headers used for proxy requests only,
1869	struct curl_slist kind */
1870	CURLOPT(CURLOPT_PROXYHEADER, CURLOPTTYPE_SLISTPOINT, 228),
1871
1872	/* Pass in a bitmask of "header options" */
1873	CURLOPT(CURLOPT_HEADEROPT, CURLOPTTYPE_VALUES, 229),
1874
1875	/* The public key in DER form used to validate the peer public key
1876	this option is used only if SSL_VERIFYPEER is true */
1877	CURLOPT(CURLOPT_PINNEDPUBLICKEY, CURLOPTTYPE_STRINGPOINT, 230),
1878
1879	/* Path to Unix domain socket */
1880	CURLOPT(CURLOPT_UNIX_SOCKET_PATH, CURLOPTTYPE_STRINGPOINT, 231),
1881
1882	/* Set if we should verify the certificate status. */
1883	CURLOPT(CURLOPT_SSL_VERIFYSTATUS, CURLOPTTYPE_LONG, 232),
1884
1885	/* Set if we should enable TLS false start. */
1886	CURLOPT(CURLOPT_SSL_FALSESTART, CURLOPTTYPE_LONG, 233),
1887
1888	/* Do not squash dot-dot sequences */
1889	CURLOPT(CURLOPT_PATH_AS_IS, CURLOPTTYPE_LONG, 234),
1890
1891	/* Proxy Service Name */
1892	CURLOPT(CURLOPT_PROXY_SERVICE_NAME, CURLOPTTYPE_STRINGPOINT, 235),
1893
1894	/* Service Name */
1895	CURLOPT(CURLOPT_SERVICE_NAME, CURLOPTTYPE_STRINGPOINT, 236),
1896
1897	/* Wait/don't wait for pipe/mutex to clarify */
1898	CURLOPT(CURLOPT_PIPEWAIT, CURLOPTTYPE_LONG, 237),
1899
1900	/* Set the protocol used when curl is given a URL without a protocol */
1901	CURLOPT(CURLOPT_DEFAULT_PROTOCOL, CURLOPTTYPE_STRINGPOINT, 238),
1902
1903	/* Set stream weight, 1 - 256 (default is 16) */
1904	CURLOPT(CURLOPT_STREAM_WEIGHT, CURLOPTTYPE_LONG, 239),
1905
1906	/* Set stream dependency on another CURL handle */
1907	CURLOPT(CURLOPT_STREAM_DEPENDS, CURLOPTTYPE_OBJECTPOINT, 240),
1908
1909	/* Set E-xclusive stream dependency on another CURL handle */
1910	CURLOPT(CURLOPT_STREAM_DEPENDS_E, CURLOPTTYPE_OBJECTPOINT, 241),
1911
1912	/* Do not send any tftp option requests to the server */
1913	CURLOPT(CURLOPT_TFTP_NO_OPTIONS, CURLOPTTYPE_LONG, 242),
1914
1915	/* Linked-list of host:port:connect-to-host:connect-to-port,
1916	overrides the URL's host:port (only for the network layer) */
1917	CURLOPT(CURLOPT_CONNECT_TO, CURLOPTTYPE_SLISTPOINT, 243),
1918
1919	/* Set TCP Fast Open */
1920	CURLOPT(CURLOPT_TCP_FASTOPEN, CURLOPTTYPE_LONG, 244),
1921
1922	/* Continue to send data if the server responds early with an
1923	* HTTP status code >= 300 */
1924	CURLOPT(CURLOPT_KEEP_SENDING_ON_ERROR, CURLOPTTYPE_LONG, 245),
1925
1926	/* The CApath or CAfile used to validate the proxy certificate
1927	this option is used only if PROXY_SSL_VERIFYPEER is true */
1928	CURLOPT(CURLOPT_PROXY_CAINFO, CURLOPTTYPE_STRINGPOINT, 246),
1929
1930	/* The CApath directory used to validate the proxy certificate
1931	this option is used only if PROXY_SSL_VERIFYPEER is true */
1932	CURLOPT(CURLOPT_PROXY_CAPATH, CURLOPTTYPE_STRINGPOINT, 247),
1933
1934	/* Set if we should verify the proxy in ssl handshake,
1935	set 1 to verify. */
1936	CURLOPT(CURLOPT_PROXY_SSL_VERIFYPEER, CURLOPTTYPE_LONG, 248),
1937
1938	/* Set if we should verify the Common name from the proxy certificate in ssl
1939	* handshake, set 1 to check existence, 2 to ensure that it matches
1940	* the provided hostname. */
1941	CURLOPT(CURLOPT_PROXY_SSL_VERIFYHOST, CURLOPTTYPE_LONG, 249),
1942
1943	/* What version to specifically try to use for proxy.
1944	See CURL_SSLVERSION defines below. */
1945	CURLOPT(CURLOPT_PROXY_SSLVERSION, CURLOPTTYPE_VALUES, 250),
1946
1947	/* Set a username for authenticated TLS for proxy */
1948	CURLOPT(CURLOPT_PROXY_TLSAUTH_USERNAME, CURLOPTTYPE_STRINGPOINT, 251),
1949
1950	/* Set a password for authenticated TLS for proxy */
1951	CURLOPT(CURLOPT_PROXY_TLSAUTH_PASSWORD, CURLOPTTYPE_STRINGPOINT, 252),
1952
1953	/* Set authentication type for authenticated TLS for proxy */
1954	CURLOPT(CURLOPT_PROXY_TLSAUTH_TYPE, CURLOPTTYPE_STRINGPOINT, 253),
1955
1956	/* name of the file keeping your private SSL-certificate for proxy */
1957	CURLOPT(CURLOPT_PROXY_SSLCERT, CURLOPTTYPE_STRINGPOINT, 254),
1958
1959	/* type of the file keeping your SSL-certificate ("DER", "PEM", "ENG") for
1960	proxy */
1961	CURLOPT(CURLOPT_PROXY_SSLCERTTYPE, CURLOPTTYPE_STRINGPOINT, 255),
1962
1963	/* name of the file keeping your private SSL-key for proxy */
1964	CURLOPT(CURLOPT_PROXY_SSLKEY, CURLOPTTYPE_STRINGPOINT, 256),
1965
1966	/* type of the file keeping your private SSL-key ("DER", "PEM", "ENG") for
1967	proxy */
1968	CURLOPT(CURLOPT_PROXY_SSLKEYTYPE, CURLOPTTYPE_STRINGPOINT, 257),
1969
1970	/* password for the SSL private key for proxy */
1971	CURLOPT(CURLOPT_PROXY_KEYPASSWD, CURLOPTTYPE_STRINGPOINT, 258),
1972
1973	/* Specify which SSL ciphers to use for proxy */
1974	CURLOPT(CURLOPT_PROXY_SSL_CIPHER_LIST, CURLOPTTYPE_STRINGPOINT, 259),
1975
1976	/* CRL file for proxy */
1977	CURLOPT(CURLOPT_PROXY_CRLFILE, CURLOPTTYPE_STRINGPOINT, 260),
1978
1979	/* Enable/disable specific SSL features with a bitmask for proxy, see
1980	CURLSSLOPT_* */
1981	CURLOPT(CURLOPT_PROXY_SSL_OPTIONS, CURLOPTTYPE_LONG, 261),
1982
1983	/* Name of pre proxy to use. */
1984	CURLOPT(CURLOPT_PRE_PROXY, CURLOPTTYPE_STRINGPOINT, 262),
1985
1986	/* The public key in DER form used to validate the proxy public key
1987	this option is used only if PROXY_SSL_VERIFYPEER is true */
1988	CURLOPT(CURLOPT_PROXY_PINNEDPUBLICKEY, CURLOPTTYPE_STRINGPOINT, 263),
1989
1990	/* Path to an abstract Unix domain socket */
1991	CURLOPT(CURLOPT_ABSTRACT_UNIX_SOCKET, CURLOPTTYPE_STRINGPOINT, 264),
1992
1993	/* Suppress proxy CONNECT response headers from user callbacks */
1994	CURLOPT(CURLOPT_SUPPRESS_CONNECT_HEADERS, CURLOPTTYPE_LONG, 265),
1995
1996	/* The request target, instead of extracted from the URL */
1997	CURLOPT(CURLOPT_REQUEST_TARGET, CURLOPTTYPE_STRINGPOINT, 266),
1998
1999	/* bitmask of allowed auth methods for connections to SOCKS5 proxies */
2000	CURLOPT(CURLOPT_SOCKS5_AUTH, CURLOPTTYPE_LONG, 267),
2001
2002	/* Enable/disable SSH compression */
2003	CURLOPT(CURLOPT_SSH_COMPRESSION, CURLOPTTYPE_LONG, 268),
2004
2005	/* Post MIME data. */
2006	CURLOPT(CURLOPT_MIMEPOST, CURLOPTTYPE_OBJECTPOINT, 269),
2007
2008	/* Time to use with the CURLOPT_TIMECONDITION. Specified in number of
2009	seconds since 1 Jan 1970. */
2010	CURLOPT(CURLOPT_TIMEVALUE_LARGE, CURLOPTTYPE_OFF_T, 270),
2011
2012	/* Head start in milliseconds to give happy eyeballs. */
2013	CURLOPT(CURLOPT_HAPPY_EYEBALLS_TIMEOUT_MS, CURLOPTTYPE_LONG, 271),
2014
2015	/* Function that will be called before a resolver request is made */
2016	CURLOPT(CURLOPT_RESOLVER_START_FUNCTION, CURLOPTTYPE_FUNCTIONPOINT, 272),
2017
2018	/* User data to pass to the resolver start callback. */
2019	CURLOPT(CURLOPT_RESOLVER_START_DATA, CURLOPTTYPE_CBPOINT, 273),
2020
2021	/* send HAProxy PROXY protocol header? */
2022	CURLOPT(CURLOPT_HAPROXYPROTOCOL, CURLOPTTYPE_LONG, 274),
2023
2024	/* shuffle addresses before use when DNS returns multiple */
2025	CURLOPT(CURLOPT_DNS_SHUFFLE_ADDRESSES, CURLOPTTYPE_LONG, 275),
2026
2027	/* Specify which TLS 1.3 ciphers suites to use */
2028	CURLOPT(CURLOPT_TLS13_CIPHERS, CURLOPTTYPE_STRINGPOINT, 276),
2029	CURLOPT(CURLOPT_PROXY_TLS13_CIPHERS, CURLOPTTYPE_STRINGPOINT, 277),
2030
2031	/* Disallow specifying username/login in URL. */
2032	CURLOPT(CURLOPT_DISALLOW_USERNAME_IN_URL, CURLOPTTYPE_LONG, 278),
2033
2034	/* DNS-over-HTTPS URL */
2035	CURLOPT(CURLOPT_DOH_URL, CURLOPTTYPE_STRINGPOINT, 279),
2036
2037	/* Preferred buffer size to use for uploads */
2038	CURLOPT(CURLOPT_UPLOAD_BUFFERSIZE, CURLOPTTYPE_LONG, 280),
2039
2040	/* Time in ms between connection upkeep calls for long-lived connections. */
2041	CURLOPT(CURLOPT_UPKEEP_INTERVAL_MS, CURLOPTTYPE_LONG, 281),
2042
2043	/* Specify URL using CURL URL API. */
2044	CURLOPT(CURLOPT_CURLU, CURLOPTTYPE_OBJECTPOINT, 282),
2045
2046	/* add trailing data just after no more data is available */
2047	CURLOPT(CURLOPT_TRAILERFUNCTION, CURLOPTTYPE_FUNCTIONPOINT, 283),
2048
2049	/* pointer to be passed to HTTP_TRAILER_FUNCTION */
2050	CURLOPT(CURLOPT_TRAILERDATA, CURLOPTTYPE_CBPOINT, 284),
2051
2052	/* set this to 1L to allow HTTP/0.9 responses or 0L to disallow */
2053	CURLOPT(CURLOPT_HTTP09_ALLOWED, CURLOPTTYPE_LONG, 285),
2054
2055	/* alt-svc control bitmask */
2056	CURLOPT(CURLOPT_ALTSVC_CTRL, CURLOPTTYPE_LONG, 286),
2057
2058	/* alt-svc cache file name to possibly read from/write to */
2059	CURLOPT(CURLOPT_ALTSVC, CURLOPTTYPE_STRINGPOINT, 287),
2060
2061	/* maximum age (idle time) of a connection to consider it for reuse
2062	* (in seconds) */
2063	CURLOPT(CURLOPT_MAXAGE_CONN, CURLOPTTYPE_LONG, 288),
2064
2065	/* SASL authorisation identity */
2066	CURLOPT(CURLOPT_SASL_AUTHZID, CURLOPTTYPE_STRINGPOINT, 289),
2067
2068	/* allow RCPT TO command to fail for some recipients */
2069	CURLOPT(CURLOPT_MAIL_RCPT_ALLLOWFAILS, CURLOPTTYPE_LONG, 290),
2070
2071	/* the private SSL-certificate as a "blob" */
2072	CURLOPT(CURLOPT_SSLCERT_BLOB, CURLOPTTYPE_BLOB, 291),
2073	CURLOPT(CURLOPT_SSLKEY_BLOB, CURLOPTTYPE_BLOB, 292),
2074	CURLOPT(CURLOPT_PROXY_SSLCERT_BLOB, CURLOPTTYPE_BLOB, 293),
2075	CURLOPT(CURLOPT_PROXY_SSLKEY_BLOB, CURLOPTTYPE_BLOB, 294),
2076	CURLOPT(CURLOPT_ISSUERCERT_BLOB, CURLOPTTYPE_BLOB, 295),
2077
2078	/* Issuer certificate for proxy */
2079	CURLOPT(CURLOPT_PROXY_ISSUERCERT, CURLOPTTYPE_STRINGPOINT, 296),
2080	CURLOPT(CURLOPT_PROXY_ISSUERCERT_BLOB, CURLOPTTYPE_BLOB, 297),
2081
2082	/* the EC curves requested by the TLS client (RFC 8422, 5.1);
2083	* OpenSSL support via 'set_groups'/'set_curves':
2084	* https://www.openssl.org/docs/manmaster/man3/SSL_CTX_set1_groups.html
2085	*/
2086	CURLOPT(CURLOPT_SSL_EC_CURVES, CURLOPTTYPE_STRINGPOINT, 298),
2087
2088	/* HSTS bitmask */
2089	CURLOPT(CURLOPT_HSTS_CTRL, CURLOPTTYPE_LONG, 299),
2090	/* HSTS file name */
2091	CURLOPT(CURLOPT_HSTS, CURLOPTTYPE_STRINGPOINT, 300),
2092
2093	/* HSTS read callback */
2094	CURLOPT(CURLOPT_HSTSREADFUNCTION, CURLOPTTYPE_FUNCTIONPOINT, 301),
2095	CURLOPT(CURLOPT_HSTSREADDATA, CURLOPTTYPE_CBPOINT, 302),
2096
2097	/* HSTS write callback */
2098	CURLOPT(CURLOPT_HSTSWRITEFUNCTION, CURLOPTTYPE_FUNCTIONPOINT, 303),
2099	CURLOPT(CURLOPT_HSTSWRITEDATA, CURLOPTTYPE_CBPOINT, 304),
2100
2101	/* Parameters for V4 signature */
2102	CURLOPT(CURLOPT_AWS_SIGV4, CURLOPTTYPE_STRINGPOINT, 305),
2103
2104	/* Same as CURLOPT_SSL_VERIFYPEER but for DoH (DNS-over-HTTPS) servers. */
2105	CURLOPT(CURLOPT_DOH_SSL_VERIFYPEER, CURLOPTTYPE_LONG, 306),
2106
2107	/* Same as CURLOPT_SSL_VERIFYHOST but for DoH (DNS-over-HTTPS) servers. */
2108	CURLOPT(CURLOPT_DOH_SSL_VERIFYHOST, CURLOPTTYPE_LONG, 307),
2109
2110	/* Same as CURLOPT_SSL_VERIFYSTATUS but for DoH (DNS-over-HTTPS) servers. */
2111	CURLOPT(CURLOPT_DOH_SSL_VERIFYSTATUS, CURLOPTTYPE_LONG, 308),
2112
2113	/* The CA certificates as "blob" used to validate the peer certificate
2114	this option is used only if SSL_VERIFYPEER is true */
2115	CURLOPT(CURLOPT_CAINFO_BLOB, CURLOPTTYPE_BLOB, 309),
2116
2117	/* The CA certificates as "blob" used to validate the proxy certificate
2118	this option is used only if PROXY_SSL_VERIFYPEER is true */
2119	CURLOPT(CURLOPT_PROXY_CAINFO_BLOB, CURLOPTTYPE_BLOB, 310),
2120
2121	/* used by scp/sftp to verify the host's public key */
2122	CURLOPT(CURLOPT_SSH_HOST_PUBLIC_KEY_SHA256, CURLOPTTYPE_STRINGPOINT, 311),
2123
2124	/* Function that will be called immediately before the initial request
2125	is made on a connection (after any protocol negotiation step). */
2126	CURLOPT(CURLOPT_PREREQFUNCTION, CURLOPTTYPE_FUNCTIONPOINT, 312),
2127
2128	/* Data passed to the CURLOPT_PREREQFUNCTION callback */
2129	CURLOPT(CURLOPT_PREREQDATA, CURLOPTTYPE_CBPOINT, 313),
2130
2131	/* maximum age (since creation) of a connection to consider it for reuse
2132	* (in seconds) */
2133	CURLOPT(CURLOPT_MAXLIFETIME_CONN, CURLOPTTYPE_LONG, 314),
2134
2135	/* Set MIME option flags. */
2136	CURLOPT(CURLOPT_MIME_OPTIONS, CURLOPTTYPE_LONG, 315),
2137
2138	CURLOPT_LASTENTRY /* the last unused */
2139	} CURLoption;
2140
2141	#ifndef CURL_NO_OLDIES /* define this to test if your app builds with all
2142	the obsolete stuff removed! */
2143
2144	/* Backwards compatibility with older names */
2145	/* These are scheduled to disappear by 2011 */
2146
2147	/* This was added in version 7.19.1 */
2148	#define CURLOPT_POST301 CURLOPT_POSTREDIR
2149
2150	/* These are scheduled to disappear by 2009 */
2151
2152	/* The following were added in 7.17.0 */
2153	#define CURLOPT_SSLKEYPASSWD CURLOPT_KEYPASSWD
2154	#define CURLOPT_FTPAPPEND CURLOPT_APPEND
2155	#define CURLOPT_FTPLISTONLY CURLOPT_DIRLISTONLY
2156	#define CURLOPT_FTP_SSL CURLOPT_USE_SSL
2157
2158	/* The following were added earlier */
2159
2160	#define CURLOPT_SSLCERTPASSWD CURLOPT_KEYPASSWD
2161	#define CURLOPT_KRB4LEVEL CURLOPT_KRBLEVEL
2162
2163	#else
2164	/* This is set if CURL_NO_OLDIES is defined at compile-time */
2165	#undef CURLOPT_DNS_USE_GLOBAL_CACHE /* soon obsolete */
2166	#endif
2167
2168
2169	/* Below here follows defines for the CURLOPT_IPRESOLVE option. If a host
2170	name resolves addresses using more than one IP protocol version, this
2171	option might be handy to force libcurl to use a specific IP version. */
2172	#define CURL_IPRESOLVE_WHATEVER 0 /* default, uses addresses to all IP
2173	versions that your system allows */
2174	#define CURL_IPRESOLVE_V4 1 /* uses only IPv4 addresses/connections */
2175	#define CURL_IPRESOLVE_V6 2 /* uses only IPv6 addresses/connections */
2176
2177	/* three convenient "aliases" that follow the name scheme better */
2178	#define CURLOPT_RTSPHEADER CURLOPT_HTTPHEADER
2179
2180	/* These enums are for use with the CURLOPT_HTTP_VERSION option. */
2181	enum {
2182	CURL_HTTP_VERSION_NONE, /* setting this means we don't care, and that we'd
2183	like the library to choose the best possible
2184	for us! */
2185	CURL_HTTP_VERSION_1_0, /* please use HTTP 1.0 in the request */
2186	CURL_HTTP_VERSION_1_1, /* please use HTTP 1.1 in the request */
2187	CURL_HTTP_VERSION_2_0, /* please use HTTP 2 in the request */
2188	CURL_HTTP_VERSION_2TLS, /* use version 2 for HTTPS, version 1.1 for HTTP */
2189	CURL_HTTP_VERSION_2_PRIOR_KNOWLEDGE, /* please use HTTP 2 without HTTP/1.1
2190	Upgrade */
2191	CURL_HTTP_VERSION_3 = 30, /* Makes use of explicit HTTP/3 without fallback.
2192	Use CURLOPT_ALTSVC to enable HTTP/3 upgrade */
2193	CURL_HTTP_VERSION_LAST /* *ILLEGAL* http version */
2194	};
2195
2196	/* Convenience definition simple because the name of the version is HTTP/2 and
2197	not 2.0. The 2_0 version of the enum name was set while the version was
2198	still planned to be 2.0 and we stick to it for compatibility. */
2199	#define CURL_HTTP_VERSION_2 CURL_HTTP_VERSION_2_0
2200
2201	/*
2202	* Public API enums for RTSP requests
2203	*/
2204	enum {
2205	CURL_RTSPREQ_NONE, /* first in list */
2206	CURL_RTSPREQ_OPTIONS,
2207	CURL_RTSPREQ_DESCRIBE,
2208	CURL_RTSPREQ_ANNOUNCE,
2209	CURL_RTSPREQ_SETUP,
2210	CURL_RTSPREQ_PLAY,
2211	CURL_RTSPREQ_PAUSE,
2212	CURL_RTSPREQ_TEARDOWN,
2213	CURL_RTSPREQ_GET_PARAMETER,
2214	CURL_RTSPREQ_SET_PARAMETER,
2215	CURL_RTSPREQ_RECORD,
2216	CURL_RTSPREQ_RECEIVE,
2217	CURL_RTSPREQ_LAST /* last in list */
2218	};
2219
2220	/* These enums are for use with the CURLOPT_NETRC option. */
2221	enum CURL_NETRC_OPTION {
2222	CURL_NETRC_IGNORED, /* The .netrc will never be read.
2223	* This is the default. */
2224	CURL_NETRC_OPTIONAL, /* A user:password in the URL will be preferred
2225	* to one in the .netrc. */
2226	CURL_NETRC_REQUIRED, /* A user:password in the URL will be ignored.
2227	* Unless one is set programmatically, the .netrc
2228	* will be queried. */
2229	CURL_NETRC_LAST
2230	};
2231
2232	enum {
2233	CURL_SSLVERSION_DEFAULT,
2234	CURL_SSLVERSION_TLSv1, /* TLS 1.x */
2235	CURL_SSLVERSION_SSLv2,
2236	CURL_SSLVERSION_SSLv3,
2237	CURL_SSLVERSION_TLSv1_0,
2238	CURL_SSLVERSION_TLSv1_1,
2239	CURL_SSLVERSION_TLSv1_2,
2240	CURL_SSLVERSION_TLSv1_3,
2241
2242	CURL_SSLVERSION_LAST /* never use, keep last */
2243	};
2244
2245	enum {
2246	CURL_SSLVERSION_MAX_NONE = 0,
2247	CURL_SSLVERSION_MAX_DEFAULT = (CURL_SSLVERSION_TLSv1 << 16),
2248	CURL_SSLVERSION_MAX_TLSv1_0 = (CURL_SSLVERSION_TLSv1_0 << 16),
2249	CURL_SSLVERSION_MAX_TLSv1_1 = (CURL_SSLVERSION_TLSv1_1 << 16),
2250	CURL_SSLVERSION_MAX_TLSv1_2 = (CURL_SSLVERSION_TLSv1_2 << 16),
2251	CURL_SSLVERSION_MAX_TLSv1_3 = (CURL_SSLVERSION_TLSv1_3 << 16),
2252
2253	/* never use, keep last */
2254	CURL_SSLVERSION_MAX_LAST = (CURL_SSLVERSION_LAST << 16)
2255	};
2256
2257	enum CURL_TLSAUTH {
2258	CURL_TLSAUTH_NONE,
2259	CURL_TLSAUTH_SRP,
2260	CURL_TLSAUTH_LAST /* never use, keep last */
2261	};
2262
2263	/* symbols to use with CURLOPT_POSTREDIR.
2264	CURL_REDIR_POST_301, CURL_REDIR_POST_302 and CURL_REDIR_POST_303
2265	can be bitwise ORed so that CURL_REDIR_POST_301 | CURL_REDIR_POST_302
2266	| CURL_REDIR_POST_303 == CURL_REDIR_POST_ALL */
2267
2268	#define CURL_REDIR_GET_ALL 0
2269	#define CURL_REDIR_POST_301 1
2270	#define CURL_REDIR_POST_302 2
2271	#define CURL_REDIR_POST_303 4
2272	#define CURL_REDIR_POST_ALL \
2273	(CURL_REDIR_POST_301|CURL_REDIR_POST_302|CURL_REDIR_POST_303)
2274
2275	typedef enum {
2276	CURL_TIMECOND_NONE,
2277
2278	CURL_TIMECOND_IFMODSINCE,
2279	CURL_TIMECOND_IFUNMODSINCE,
2280	CURL_TIMECOND_LASTMOD,
2281
2282	CURL_TIMECOND_LAST
2283	} curl_TimeCond;
2284
2285	/* Special size_t value signaling a null-terminated string. */
2286	#define CURL_ZERO_TERMINATED ((size_t) -1)
2287
2288	/* curl_strequal() and curl_strnequal() are subject for removal in a future
2289	release */
2290	CURL_EXTERN int curl_strequal(const char *s1, const char *s2);
2291	CURL_EXTERN int curl_strnequal(const char *s1, const char *s2, size_t n);
2292
2293	/* Mime/form handling support. */
2294	typedef struct curl_mime curl_mime; /* Mime context. */
2295	typedef struct curl_mimepart curl_mimepart; /* Mime part context. */
2296
2297	/* CURLMIMEOPT_ defines are for the CURLOPT_MIME_OPTIONS option. */
2298	#define CURLMIMEOPT_FORMESCAPE (1<<0) /* Use backslash-escaping for forms. */
2299
2300	/*
2301	* NAME curl_mime_init()
2302	*
2303	* DESCRIPTION
2304	*
2305	* Create a mime context and return its handle. The easy parameter is the
2306	* target handle.
2307	*/
2308	CURL_EXTERN curl_mime *curl_mime_init(CURL *easy);
2309
2310	/*
2311	* NAME curl_mime_free()
2312	*
2313	* DESCRIPTION
2314	*
2315	* release a mime handle and its substructures.
2316	*/
2317	CURL_EXTERN void curl_mime_free(curl_mime *mime);
2318
2319	/*
2320	* NAME curl_mime_addpart()
2321	*
2322	* DESCRIPTION
2323	*
2324	* Append a new empty part to the given mime context and return a handle to
2325	* the created part.
2326	*/
2327	CURL_EXTERN curl_mimepart *curl_mime_addpart(curl_mime *mime);
2328
2329	/*
2330	* NAME curl_mime_name()
2331	*
2332	* DESCRIPTION
2333	*
2334	* Set mime/form part name.
2335	*/
2336	CURL_EXTERN CURLcode curl_mime_name(curl_mimepart *part, const char *name);
2337
2338	/*
2339	* NAME curl_mime_filename()
2340	*
2341	* DESCRIPTION
2342	*
2343	* Set mime part remote file name.
2344	*/
2345	CURL_EXTERN CURLcode curl_mime_filename(curl_mimepart *part,
2346	const char *filename);
2347
2348	/*
2349	* NAME curl_mime_type()
2350	*
2351	* DESCRIPTION
2352	*
2353	* Set mime part type.
2354	*/
2355	CURL_EXTERN CURLcode curl_mime_type(curl_mimepart *part, const char *mimetype);
2356
2357	/*
2358	* NAME curl_mime_encoder()
2359	*
2360	* DESCRIPTION
2361	*
2362	* Set mime data transfer encoder.
2363	*/
2364	CURL_EXTERN CURLcode curl_mime_encoder(curl_mimepart *part,
2365	const char *encoding);
2366
2367	/*
2368	* NAME curl_mime_data()
2369	*
2370	* DESCRIPTION
2371	*
2372	* Set mime part data source from memory data,
2373	*/
2374	CURL_EXTERN CURLcode curl_mime_data(curl_mimepart *part,
2375	const char *data, size_t datasize);
2376
2377	/*
2378	* NAME curl_mime_filedata()
2379	*
2380	* DESCRIPTION
2381	*
2382	* Set mime part data source from named file.
2383	*/
2384	CURL_EXTERN CURLcode curl_mime_filedata(curl_mimepart *part,
2385	const char *filename);
2386
2387	/*
2388	* NAME curl_mime_data_cb()
2389	*
2390	* DESCRIPTION
2391	*
2392	* Set mime part data source from callback function.
2393	*/
2394	CURL_EXTERN CURLcode curl_mime_data_cb(curl_mimepart *part,
2395	curl_off_t datasize,
2396	curl_read_callback readfunc,
2397	curl_seek_callback seekfunc,
2398	curl_free_callback freefunc,
2399	void *arg);
2400
2401	/*
2402	* NAME curl_mime_subparts()
2403	*
2404	* DESCRIPTION
2405	*
2406	* Set mime part data source from subparts.
2407	*/
2408	CURL_EXTERN CURLcode curl_mime_subparts(curl_mimepart *part,
2409	curl_mime *subparts);
2410	/*
2411	* NAME curl_mime_headers()
2412	*
2413	* DESCRIPTION
2414	*
2415	* Set mime part headers.
2416	*/
2417	CURL_EXTERN CURLcode curl_mime_headers(curl_mimepart *part,
2418	struct curl_slist *headers,
2419	int take_ownership);
2420
2421	typedef enum {
2422	CURLFORM_NOTHING, /********* the first one is unused ************/
2423	CURLFORM_COPYNAME,
2424	CURLFORM_PTRNAME,
2425	CURLFORM_NAMELENGTH,
2426	CURLFORM_COPYCONTENTS,
2427	CURLFORM_PTRCONTENTS,
2428	CURLFORM_CONTENTSLENGTH,
2429	CURLFORM_FILECONTENT,
2430	CURLFORM_ARRAY,
2431	CURLFORM_OBSOLETE,
2432	CURLFORM_FILE,
2433
2434	CURLFORM_BUFFER,
2435	CURLFORM_BUFFERPTR,
2436	CURLFORM_BUFFERLENGTH,
2437
2438	CURLFORM_CONTENTTYPE,
2439	CURLFORM_CONTENTHEADER,
2440	CURLFORM_FILENAME,
2441	CURLFORM_END,
2442	CURLFORM_OBSOLETE2,
2443
2444	CURLFORM_STREAM,
2445	CURLFORM_CONTENTLEN, /* added in 7.46.0, provide a curl_off_t length */
2446
2447	CURLFORM_LASTENTRY /* the last unused */
2448	} CURLformoption;
2449
2450	/* structure to be used as parameter for CURLFORM_ARRAY */
2451	struct curl_forms {
2452	CURLformoption option;
2453	const char *value;
2454	};
2455
2456	/* use this for multipart formpost building */
2457	/* Returns code for curl_formadd()
2458	*
2459	* Returns:
2460	* CURL_FORMADD_OK on success
2461	* CURL_FORMADD_MEMORY if the FormInfo allocation fails
2462	* CURL_FORMADD_OPTION_TWICE if one option is given twice for one Form
2463	* CURL_FORMADD_NULL if a null pointer was given for a char
2464	* CURL_FORMADD_MEMORY if the allocation of a FormInfo struct failed
2465	* CURL_FORMADD_UNKNOWN_OPTION if an unknown option was used
2466	* CURL_FORMADD_INCOMPLETE if the some FormInfo is not complete (or error)
2467	* CURL_FORMADD_MEMORY if a curl_httppost struct cannot be allocated
2468	* CURL_FORMADD_MEMORY if some allocation for string copying failed.
2469	* CURL_FORMADD_ILLEGAL_ARRAY if an illegal option is used in an array
2470	*
2471	***************************************************************************/
2472	typedef enum {
2473	CURL_FORMADD_OK, /* first, no error */
2474
2475	CURL_FORMADD_MEMORY,
2476	CURL_FORMADD_OPTION_TWICE,
2477	CURL_FORMADD_NULL,
2478	CURL_FORMADD_UNKNOWN_OPTION,
2479	CURL_FORMADD_INCOMPLETE,
2480	CURL_FORMADD_ILLEGAL_ARRAY,
2481	CURL_FORMADD_DISABLED, /* libcurl was built with this disabled */
2482
2483	CURL_FORMADD_LAST /* last */
2484	} CURLFORMcode;
2485
2486	/*
2487	* NAME curl_formadd()
2488	*
2489	* DESCRIPTION
2490	*
2491	* Pretty advanced function for building multi-part formposts. Each invoke
2492	* adds one part that together construct a full post. Then use
2493	* CURLOPT_HTTPPOST to send it off to libcurl.
2494	*/
2495	CURL_EXTERN CURLFORMcode curl_formadd(struct curl_httppost **httppost,
2496	struct curl_httppost **last_post,
2497	...);
2498
2499	/*
2500	* callback function for curl_formget()
2501	* The void *arg pointer will be the one passed as second argument to
2502	* curl_formget().
2503	* The character buffer passed to it must not be freed.
2504	* Should return the buffer length passed to it as the argument "len" on
2505	* success.
2506	*/
2507	typedef size_t (*curl_formget_callback)(void *arg, const char *buf,
2508	size_t len);
2509
2510	/*
2511	* NAME curl_formget()
2512	*
2513	* DESCRIPTION
2514	*
2515	* Serialize a curl_httppost struct built with curl_formadd().
2516	* Accepts a void pointer as second argument which will be passed to
2517	* the curl_formget_callback function.
2518	* Returns 0 on success.
2519	*/
2520	CURL_EXTERN int curl_formget(struct curl_httppost *form, void *arg,
2521	curl_formget_callback append);
2522	/*
2523	* NAME curl_formfree()
2524	*
2525	* DESCRIPTION
2526	*
2527	* Free a multipart formpost previously built with curl_formadd().
2528	*/
2529	CURL_EXTERN void curl_formfree(struct curl_httppost *form);
2530
2531	/*
2532	* NAME curl_getenv()
2533	*
2534	* DESCRIPTION
2535	*
2536	* Returns a malloc()'ed string that MUST be curl_free()ed after usage is
2537	* complete. DEPRECATED - see lib/README.curlx
2538	*/
2539	CURL_EXTERN char *curl_getenv(const char *variable);
2540
2541	/*
2542	* NAME curl_version()
2543	*
2544	* DESCRIPTION
2545	*
2546	* Returns a static ascii string of the libcurl version.
2547	*/
2548	CURL_EXTERN char *curl_version(void);
2549
2550	/*
2551	* NAME curl_easy_escape()
2552	*
2553	* DESCRIPTION
2554	*
2555	* Escapes URL strings (converts all letters consider illegal in URLs to their
2556	* %XX versions). This function returns a new allocated string or NULL if an
2557	* error occurred.
2558	*/
2559	CURL_EXTERN char *curl_easy_escape(CURL *handle,
2560	const char *string,
2561	int length);
2562
2563	/* the previous version: */
2564	CURL_EXTERN char *curl_escape(const char *string,
2565	int length);
2566
2567
2568	/*
2569	* NAME curl_easy_unescape()
2570	*
2571	* DESCRIPTION
2572	*
2573	* Unescapes URL encoding in strings (converts all %XX codes to their 8bit
2574	* versions). This function returns a new allocated string or NULL if an error
2575	* occurred.
2576	* Conversion Note: On non-ASCII platforms the ASCII %XX codes are
2577	* converted into the host encoding.
2578	*/
2579	CURL_EXTERN char *curl_easy_unescape(CURL *handle,
2580	const char *string,
2581	int length,
2582	int *outlength);
2583
2584	/* the previous version */
2585	CURL_EXTERN char *curl_unescape(const char *string,
2586	int length);
2587
2588	/*
2589	* NAME curl_free()
2590	*
2591	* DESCRIPTION
2592	*
2593	* Provided for de-allocation in the same translation unit that did the
2594	* allocation. Added in libcurl 7.10
2595	*/
2596	CURL_EXTERN void curl_free(void *p);
2597
2598	/*
2599	* NAME curl_global_init()
2600	*
2601	* DESCRIPTION
2602	*
2603	* curl_global_init() should be invoked exactly once for each application that
2604	* uses libcurl and before any call of other libcurl functions.
2605	*
2606	* This function is not thread-safe!
2607	*/
2608	CURL_EXTERN CURLcode curl_global_init(long flags);
2609
2610	/*
2611	* NAME curl_global_init_mem()
2612	*
2613	* DESCRIPTION
2614	*
2615	* curl_global_init() or curl_global_init_mem() should be invoked exactly once
2616	* for each application that uses libcurl. This function can be used to
2617	* initialize libcurl and set user defined memory management callback
2618	* functions. Users can implement memory management routines to check for
2619	* memory leaks, check for mis-use of the curl library etc. User registered
2620	* callback routines will be invoked by this library instead of the system
2621	* memory management routines like malloc, free etc.
2622	*/
2623	CURL_EXTERN CURLcode curl_global_init_mem(long flags,
2624	curl_malloc_callback m,
2625	curl_free_callback f,
2626	curl_realloc_callback r,
2627	curl_strdup_callback s,
2628	curl_calloc_callback c);
2629
2630	/*
2631	* NAME curl_global_cleanup()
2632	*
2633	* DESCRIPTION
2634	*
2635	* curl_global_cleanup() should be invoked exactly once for each application
2636	* that uses libcurl
2637	*/
2638	CURL_EXTERN void curl_global_cleanup(void);
2639
2640	/* linked-list structure for the CURLOPT_QUOTE option (and other) */
2641	struct curl_slist {
2642	char *data;
2643	struct curl_slist *next;
2644	};
2645
2646	/*
2647	* NAME curl_global_sslset()
2648	*
2649	* DESCRIPTION
2650	*
2651	* When built with multiple SSL backends, curl_global_sslset() allows to
2652	* choose one. This function can only be called once, and it must be called
2653	* *before* curl_global_init().
2654	*
2655	* The backend can be identified by the id (e.g. CURLSSLBACKEND_OPENSSL). The
2656	* backend can also be specified via the name parameter (passing -1 as id).
2657	* If both id and name are specified, the name will be ignored. If neither id
2658	* nor name are specified, the function will fail with
2659	* CURLSSLSET_UNKNOWN_BACKEND and set the "avail" pointer to the
2660	* NULL-terminated list of available backends.
2661	*
2662	* Upon success, the function returns CURLSSLSET_OK.
2663	*
2664	* If the specified SSL backend is not available, the function returns
2665	* CURLSSLSET_UNKNOWN_BACKEND and sets the "avail" pointer to a NULL-terminated
2666	* list of available SSL backends.
2667	*
2668	* The SSL backend can be set only once. If it has already been set, a
2669	* subsequent attempt to change it will result in a CURLSSLSET_TOO_LATE.
2670	*/
2671
2672	struct curl_ssl_backend {
2673	curl_sslbackend id;
2674	const char *name;
2675	};
2676	typedef struct curl_ssl_backend curl_ssl_backend;
2677
2678	typedef enum {
2679	CURLSSLSET_OK = 0,
2680	CURLSSLSET_UNKNOWN_BACKEND,
2681	CURLSSLSET_TOO_LATE,
2682	CURLSSLSET_NO_BACKENDS /* libcurl was built without any SSL support */
2683	} CURLsslset;
2684
2685	CURL_EXTERN CURLsslset curl_global_sslset(curl_sslbackend id, const char *name,
2686	const curl_ssl_backend ***avail);
2687
2688	/*
2689	* NAME curl_slist_append()
2690	*
2691	* DESCRIPTION
2692	*
2693	* Appends a string to a linked list. If no list exists, it will be created
2694	* first. Returns the new list, after appending.
2695	*/
2696	CURL_EXTERN struct curl_slist *curl_slist_append(struct curl_slist *,
2697	const char *);
2698
2699	/*
2700	* NAME curl_slist_free_all()
2701	*
2702	* DESCRIPTION
2703	*
2704	* free a previously built curl_slist.
2705	*/
2706	CURL_EXTERN void curl_slist_free_all(struct curl_slist *);
2707
2708	/*
2709	* NAME curl_getdate()
2710	*
2711	* DESCRIPTION
2712	*
2713	* Returns the time, in seconds since 1 Jan 1970 of the time string given in
2714	* the first argument. The time argument in the second parameter is unused
2715	* and should be set to NULL.
2716	*/
2717	CURL_EXTERN time_t curl_getdate(const char *p, const time_t *unused);
2718
2719	/* info about the certificate chain, only for OpenSSL, GnuTLS, Schannel, NSS
2720	and GSKit builds. Asked for with CURLOPT_CERTINFO / CURLINFO_CERTINFO */
2721	struct curl_certinfo {
2722	int num_of_certs; /* number of certificates with information */
2723	struct curl_slist **certinfo; /* for each index in this array, there's a
2724	linked list with textual information in the
2725	format "name: value" */
2726	};
2727
2728	/* Information about the SSL library used and the respective internal SSL
2729	handle, which can be used to obtain further information regarding the
2730	connection. Asked for with CURLINFO_TLS_SSL_PTR or CURLINFO_TLS_SESSION. */
2731	struct curl_tlssessioninfo {
2732	curl_sslbackend backend;
2733	void *internals;
2734	};
2735
2736	#define CURLINFO_STRING 0x100000
2737	#define CURLINFO_LONG 0x200000
2738	#define CURLINFO_DOUBLE 0x300000
2739	#define CURLINFO_SLIST 0x400000
2740	#define CURLINFO_PTR 0x400000 /* same as SLIST */
2741	#define CURLINFO_SOCKET 0x500000
2742	#define CURLINFO_OFF_T 0x600000
2743	#define CURLINFO_MASK 0x0fffff
2744	#define CURLINFO_TYPEMASK 0xf00000
2745
2746	typedef enum {
2747	CURLINFO_NONE, /* first, never use this */
2748	CURLINFO_EFFECTIVE_URL = CURLINFO_STRING + 1,
2749	CURLINFO_RESPONSE_CODE = CURLINFO_LONG + 2,
2750	CURLINFO_TOTAL_TIME = CURLINFO_DOUBLE + 3,
2751	CURLINFO_NAMELOOKUP_TIME = CURLINFO_DOUBLE + 4,
2752	CURLINFO_CONNECT_TIME = CURLINFO_DOUBLE + 5,
2753	CURLINFO_PRETRANSFER_TIME = CURLINFO_DOUBLE + 6,
2754	CURLINFO_SIZE_UPLOAD = CURLINFO_DOUBLE + 7,
2755	CURLINFO_SIZE_UPLOAD_T = CURLINFO_OFF_T + 7,
2756	CURLINFO_SIZE_DOWNLOAD = CURLINFO_DOUBLE + 8,
2757	CURLINFO_SIZE_DOWNLOAD_T = CURLINFO_OFF_T + 8,
2758	CURLINFO_SPEED_DOWNLOAD = CURLINFO_DOUBLE + 9,
2759	CURLINFO_SPEED_DOWNLOAD_T = CURLINFO_OFF_T + 9,
2760	CURLINFO_SPEED_UPLOAD = CURLINFO_DOUBLE + 10,
2761	CURLINFO_SPEED_UPLOAD_T = CURLINFO_OFF_T + 10,
2762	CURLINFO_HEADER_SIZE = CURLINFO_LONG + 11,
2763	CURLINFO_REQUEST_SIZE = CURLINFO_LONG + 12,
2764	CURLINFO_SSL_VERIFYRESULT = CURLINFO_LONG + 13,
2765	CURLINFO_FILETIME = CURLINFO_LONG + 14,
2766	CURLINFO_FILETIME_T = CURLINFO_OFF_T + 14,
2767	CURLINFO_CONTENT_LENGTH_DOWNLOAD = CURLINFO_DOUBLE + 15,
2768	CURLINFO_CONTENT_LENGTH_DOWNLOAD_T = CURLINFO_OFF_T + 15,
2769	CURLINFO_CONTENT_LENGTH_UPLOAD = CURLINFO_DOUBLE + 16,
2770	CURLINFO_CONTENT_LENGTH_UPLOAD_T = CURLINFO_OFF_T + 16,
2771	CURLINFO_STARTTRANSFER_TIME = CURLINFO_DOUBLE + 17,
2772	CURLINFO_CONTENT_TYPE = CURLINFO_STRING + 18,
2773	CURLINFO_REDIRECT_TIME = CURLINFO_DOUBLE + 19,
2774	CURLINFO_REDIRECT_COUNT = CURLINFO_LONG + 20,
2775	CURLINFO_PRIVATE = CURLINFO_STRING + 21,
2776	CURLINFO_HTTP_CONNECTCODE = CURLINFO_LONG + 22,
2777	CURLINFO_HTTPAUTH_AVAIL = CURLINFO_LONG + 23,
2778	CURLINFO_PROXYAUTH_AVAIL = CURLINFO_LONG + 24,
2779	CURLINFO_OS_ERRNO = CURLINFO_LONG + 25,
2780	CURLINFO_NUM_CONNECTS = CURLINFO_LONG + 26,
2781	CURLINFO_SSL_ENGINES = CURLINFO_SLIST + 27,
2782	CURLINFO_COOKIELIST = CURLINFO_SLIST + 28,
2783	CURLINFO_LASTSOCKET = CURLINFO_LONG + 29,
2784	CURLINFO_FTP_ENTRY_PATH = CURLINFO_STRING + 30,
2785	CURLINFO_REDIRECT_URL = CURLINFO_STRING + 31,
2786	CURLINFO_PRIMARY_IP = CURLINFO_STRING + 32,
2787	CURLINFO_APPCONNECT_TIME = CURLINFO_DOUBLE + 33,
2788	CURLINFO_CERTINFO = CURLINFO_PTR + 34,
2789	CURLINFO_CONDITION_UNMET = CURLINFO_LONG + 35,
2790	CURLINFO_RTSP_SESSION_ID = CURLINFO_STRING + 36,
2791	CURLINFO_RTSP_CLIENT_CSEQ = CURLINFO_LONG + 37,
2792	CURLINFO_RTSP_SERVER_CSEQ = CURLINFO_LONG + 38,
2793	CURLINFO_RTSP_CSEQ_RECV = CURLINFO_LONG + 39,
2794	CURLINFO_PRIMARY_PORT = CURLINFO_LONG + 40,
2795	CURLINFO_LOCAL_IP = CURLINFO_STRING + 41,
2796	CURLINFO_LOCAL_PORT = CURLINFO_LONG + 42,
2797	CURLINFO_TLS_SESSION = CURLINFO_PTR + 43,
2798	CURLINFO_ACTIVESOCKET = CURLINFO_SOCKET + 44,
2799	CURLINFO_TLS_SSL_PTR = CURLINFO_PTR + 45,
2800	CURLINFO_HTTP_VERSION = CURLINFO_LONG + 46,
2801	CURLINFO_PROXY_SSL_VERIFYRESULT = CURLINFO_LONG + 47,
2802	CURLINFO_PROTOCOL = CURLINFO_LONG + 48,
2803	CURLINFO_SCHEME = CURLINFO_STRING + 49,
2804	CURLINFO_TOTAL_TIME_T = CURLINFO_OFF_T + 50,
2805	CURLINFO_NAMELOOKUP_TIME_T = CURLINFO_OFF_T + 51,
2806	CURLINFO_CONNECT_TIME_T = CURLINFO_OFF_T + 52,
2807	CURLINFO_PRETRANSFER_TIME_T = CURLINFO_OFF_T + 53,
2808	CURLINFO_STARTTRANSFER_TIME_T = CURLINFO_OFF_T + 54,
2809	CURLINFO_REDIRECT_TIME_T = CURLINFO_OFF_T + 55,
2810	CURLINFO_APPCONNECT_TIME_T = CURLINFO_OFF_T + 56,
2811	CURLINFO_RETRY_AFTER = CURLINFO_OFF_T + 57,
2812	CURLINFO_EFFECTIVE_METHOD = CURLINFO_STRING + 58,
2813	CURLINFO_PROXY_ERROR = CURLINFO_LONG + 59,
2814	CURLINFO_REFERER = CURLINFO_STRING + 60,
2815
2816	CURLINFO_LASTONE = 60
2817	} CURLINFO;
2818
2819	/* CURLINFO_RESPONSE_CODE is the new name for the option previously known as
2820	CURLINFO_HTTP_CODE */
2821	#define CURLINFO_HTTP_CODE CURLINFO_RESPONSE_CODE
2822
2823	typedef enum {
2824	CURLCLOSEPOLICY_NONE, /* first, never use this */
2825
2826	CURLCLOSEPOLICY_OLDEST,
2827	CURLCLOSEPOLICY_LEAST_RECENTLY_USED,
2828	CURLCLOSEPOLICY_LEAST_TRAFFIC,
2829	CURLCLOSEPOLICY_SLOWEST,
2830	CURLCLOSEPOLICY_CALLBACK,
2831
2832	CURLCLOSEPOLICY_LAST /* last, never use this */
2833	} curl_closepolicy;
2834
2835	#define CURL_GLOBAL_SSL (1<<0) /* no purpose since since 7.57.0 */
2836	#define CURL_GLOBAL_WIN32 (1<<1)
2837	#define CURL_GLOBAL_ALL (CURL_GLOBAL_SSL|CURL_GLOBAL_WIN32)
2838	#define CURL_GLOBAL_NOTHING 0
2839	#define CURL_GLOBAL_DEFAULT CURL_GLOBAL_ALL
2840	#define CURL_GLOBAL_ACK_EINTR (1<<2)
2841
2842
2843	/*****************************************************************************
2844	* Setup defines, protos etc for the sharing stuff.
2845	*/
2846
2847	/* Different data locks for a single share */
2848	typedef enum {
2849	CURL_LOCK_DATA_NONE = 0,
2850	/* CURL_LOCK_DATA_SHARE is used internally to say that
2851	* the locking is just made to change the internal state of the share
2852	* itself.
2853	*/
2854	CURL_LOCK_DATA_SHARE,
2855	CURL_LOCK_DATA_COOKIE,
2856	CURL_LOCK_DATA_DNS,
2857	CURL_LOCK_DATA_SSL_SESSION,
2858	CURL_LOCK_DATA_CONNECT,
2859	CURL_LOCK_DATA_PSL,
2860	CURL_LOCK_DATA_HSTS,
2861	CURL_LOCK_DATA_LAST
2862	} curl_lock_data;
2863
2864	/* Different lock access types */
2865	typedef enum {
2866	CURL_LOCK_ACCESS_NONE = 0, /* unspecified action */
2867	CURL_LOCK_ACCESS_SHARED = 1, /* for read perhaps */
2868	CURL_LOCK_ACCESS_SINGLE = 2, /* for write perhaps */
2869	CURL_LOCK_ACCESS_LAST /* never use */
2870	} curl_lock_access;
2871
2872	typedef void (*curl_lock_function)(CURL *handle,
2873	curl_lock_data data,
2874	curl_lock_access locktype,
2875	void *userptr);
2876	typedef void (*curl_unlock_function)(CURL *handle,
2877	curl_lock_data data,
2878	void *userptr);
2879
2880
2881	typedef enum {
2882	CURLSHE_OK, /* all is fine */
2883	CURLSHE_BAD_OPTION, /* 1 */
2884	CURLSHE_IN_USE, /* 2 */
2885	CURLSHE_INVALID, /* 3 */
2886	CURLSHE_NOMEM, /* 4 out of memory */
2887	CURLSHE_NOT_BUILT_IN, /* 5 feature not present in lib */
2888	CURLSHE_LAST /* never use */
2889	} CURLSHcode;
2890
2891	typedef enum {
2892	CURLSHOPT_NONE, /* don't use */
2893	CURLSHOPT_SHARE, /* specify a data type to share */
2894	CURLSHOPT_UNSHARE, /* specify which data type to stop sharing */
2895	CURLSHOPT_LOCKFUNC, /* pass in a 'curl_lock_function' pointer */
2896	CURLSHOPT_UNLOCKFUNC, /* pass in a 'curl_unlock_function' pointer */
2897	CURLSHOPT_USERDATA, /* pass in a user data pointer used in the lock/unlock
2898	callback functions */
2899	CURLSHOPT_LAST /* never use */
2900	} CURLSHoption;
2901
2902	CURL_EXTERN CURLSH *curl_share_init(void);
2903	CURL_EXTERN CURLSHcode curl_share_setopt(CURLSH *, CURLSHoption option, ...);
2904	CURL_EXTERN CURLSHcode curl_share_cleanup(CURLSH *);
2905
2906	/****************************************************************************
2907	* Structures for querying information about the curl library at runtime.
2908	*/
2909
2910	typedef enum {
2911	CURLVERSION_FIRST,
2912	CURLVERSION_SECOND,
2913	CURLVERSION_THIRD,
2914	CURLVERSION_FOURTH,
2915	CURLVERSION_FIFTH,
2916	CURLVERSION_SIXTH,
2917	CURLVERSION_SEVENTH,
2918	CURLVERSION_EIGHTH,
2919	CURLVERSION_NINTH,
2920	CURLVERSION_TENTH,
2921	CURLVERSION_LAST /* never actually use this */
2922	} CURLversion;
2923
2924	/* The 'CURLVERSION_NOW' is the symbolic name meant to be used by
2925	basically all programs ever that want to get version information. It is
2926	meant to be a built-in version number for what kind of struct the caller
2927	expects. If the struct ever changes, we redefine the NOW to another enum
2928	from above. */
2929	#define CURLVERSION_NOW CURLVERSION_TENTH
2930
2931	struct curl_version_info_data {
2932	CURLversion age; /* age of the returned struct */
2933	const char *version; /* LIBCURL_VERSION */
2934	unsigned int version_num; /* LIBCURL_VERSION_NUM */
2935	const char *host; /* OS/host/cpu/machine when configured */
2936	int features; /* bitmask, see defines below */
2937	const char *ssl_version; /* human readable string */
2938	long ssl_version_num; /* not used anymore, always 0 */
2939	const char *libz_version; /* human readable string */
2940	/* protocols is terminated by an entry with a NULL protoname */
2941	const char * const *protocols;
2942
2943	/* The fields below this were added in CURLVERSION_SECOND */
2944	const char *ares;
2945	int ares_num;
2946
2947	/* This field was added in CURLVERSION_THIRD */
2948	const char *libidn;
2949
2950	/* These field were added in CURLVERSION_FOURTH */
2951
2952	/* Same as '_libiconv_version' if built with HAVE_ICONV */
2953	int iconv_ver_num;
2954
2955	const char *libssh_version; /* human readable string */
2956
2957	/* These fields were added in CURLVERSION_FIFTH */
2958	unsigned int brotli_ver_num; /* Numeric Brotli version
2959	(MAJOR << 24) | (MINOR << 12) | PATCH */
2960	const char *brotli_version; /* human readable string. */
2961
2962	/* These fields were added in CURLVERSION_SIXTH */
2963	unsigned int nghttp2_ver_num; /* Numeric nghttp2 version
2964	(MAJOR << 16) | (MINOR << 8) | PATCH */
2965	const char *nghttp2_version; /* human readable string. */
2966	const char *quic_version; /* human readable quic (+ HTTP/3) library +
2967	version or NULL */
2968
2969	/* These fields were added in CURLVERSION_SEVENTH */
2970	const char *cainfo; /* the built-in default CURLOPT_CAINFO, might
2971	be NULL */
2972	const char *capath; /* the built-in default CURLOPT_CAPATH, might
2973	be NULL */
2974
2975	/* These fields were added in CURLVERSION_EIGHTH */
2976	unsigned int zstd_ver_num; /* Numeric Zstd version
2977	(MAJOR << 24) | (MINOR << 12) | PATCH */
2978	const char *zstd_version; /* human readable string. */
2979
2980	/* These fields were added in CURLVERSION_NINTH */
2981	const char *hyper_version; /* human readable string. */
2982
2983	/* These fields were added in CURLVERSION_TENTH */
2984	const char *gsasl_version; /* human readable string. */
2985	};
2986	typedef struct curl_version_info_data curl_version_info_data;
2987
2988	#define CURL_VERSION_IPV6 (1<<0) /* IPv6-enabled */
2989	#define CURL_VERSION_KERBEROS4 (1<<1) /* Kerberos V4 auth is supported
2990	(deprecated) */
2991	#define CURL_VERSION_SSL (1<<2) /* SSL options are present */
2992	#define CURL_VERSION_LIBZ (1<<3) /* libz features are present */
2993	#define CURL_VERSION_NTLM (1<<4) /* NTLM auth is supported */
2994	#define CURL_VERSION_GSSNEGOTIATE (1<<5) /* Negotiate auth is supported
2995	(deprecated) */
2996	#define CURL_VERSION_DEBUG (1<<6) /* Built with debug capabilities */
2997	#define CURL_VERSION_ASYNCHDNS (1<<7) /* Asynchronous DNS resolves */
2998	#define CURL_VERSION_SPNEGO (1<<8) /* SPNEGO auth is supported */
2999	#define CURL_VERSION_LARGEFILE (1<<9) /* Supports files larger than 2GB */
3000	#define CURL_VERSION_IDN (1<<10) /* Internationized Domain Names are
3001	supported */
3002	#define CURL_VERSION_SSPI (1<<11) /* Built against Windows SSPI */
3003	#define CURL_VERSION_CONV (1<<12) /* Character conversions supported */
3004	#define CURL_VERSION_CURLDEBUG (1<<13) /* Debug memory tracking supported */
3005	#define CURL_VERSION_TLSAUTH_SRP (1<<14) /* TLS-SRP auth is supported */
3006	#define CURL_VERSION_NTLM_WB (1<<15) /* NTLM delegation to winbind helper
3007	is supported */
3008	#define CURL_VERSION_HTTP2 (1<<16) /* HTTP2 support built-in */
3009	#define CURL_VERSION_GSSAPI (1<<17) /* Built against a GSS-API library */
3010	#define CURL_VERSION_KERBEROS5 (1<<18) /* Kerberos V5 auth is supported */
3011	#define CURL_VERSION_UNIX_SOCKETS (1<<19) /* Unix domain sockets support */
3012	#define CURL_VERSION_PSL (1<<20) /* Mozilla's Public Suffix List, used
3013	for cookie domain verification */
3014	#define CURL_VERSION_HTTPS_PROXY (1<<21) /* HTTPS-proxy support built-in */
3015	#define CURL_VERSION_MULTI_SSL (1<<22) /* Multiple SSL backends available */
3016	#define CURL_VERSION_BROTLI (1<<23) /* Brotli features are present. */
3017	#define CURL_VERSION_ALTSVC (1<<24) /* Alt-Svc handling built-in */
3018	#define CURL_VERSION_HTTP3 (1<<25) /* HTTP3 support built-in */
3019	#define CURL_VERSION_ZSTD (1<<26) /* zstd features are present */
3020	#define CURL_VERSION_UNICODE (1<<27) /* Unicode support on Windows */
3021	#define CURL_VERSION_HSTS (1<<28) /* HSTS is supported */
3022	#define CURL_VERSION_GSASL (1<<29) /* libgsasl is supported */
3023
3024	/*
3025	* NAME curl_version_info()
3026	*
3027	* DESCRIPTION
3028	*
3029	* This function returns a pointer to a static copy of the version info
3030	* struct. See above.
3031	*/
3032	CURL_EXTERN curl_version_info_data *curl_version_info(CURLversion);
3033
3034	/*
3035	* NAME curl_easy_strerror()
3036	*
3037	* DESCRIPTION
3038	*
3039	* The curl_easy_strerror function may be used to turn a CURLcode value
3040	* into the equivalent human readable error string. This is useful
3041	* for printing meaningful error messages.
3042	*/
3043	CURL_EXTERN const char *curl_easy_strerror(CURLcode);
3044
3045	/*
3046	* NAME curl_share_strerror()
3047	*
3048	* DESCRIPTION
3049	*
3050	* The curl_share_strerror function may be used to turn a CURLSHcode value
3051	* into the equivalent human readable error string. This is useful
3052	* for printing meaningful error messages.
3053	*/
3054	CURL_EXTERN const char *curl_share_strerror(CURLSHcode);
3055
3056	/*
3057	* NAME curl_easy_pause()
3058	*
3059	* DESCRIPTION
3060	*
3061	* The curl_easy_pause function pauses or unpauses transfers. Select the new
3062	* state by setting the bitmask, use the convenience defines below.
3063	*
3064	*/
3065	CURL_EXTERN CURLcode curl_easy_pause(CURL *handle, int bitmask);
3066
3067	#define CURLPAUSE_RECV (1<<0)
3068	#define CURLPAUSE_RECV_CONT (0)
3069
3070	#define CURLPAUSE_SEND (1<<2)
3071	#define CURLPAUSE_SEND_CONT (0)
3072
3073	#define CURLPAUSE_ALL (CURLPAUSE_RECV|CURLPAUSE_SEND)
3074	#define CURLPAUSE_CONT (CURLPAUSE_RECV_CONT|CURLPAUSE_SEND_CONT)
3075
3076	#ifdef __cplusplus
3077	}
3078	#endif
3079
3080	/* unfortunately, the easy.h and multi.h include files need options and info
3081	stuff before they can be included! */
3082	#include "easy.h" /* nothing in curl is fun without the easy stuff */
3083	#include "multi.h"
3084	#include "urlapi.h"
3085	#include "options.h"
3086
3087	/* the typechecker doesn't work in C++ (yet) */
3088	#if defined(__GNUC__) && defined(__GNUC_MINOR__) && \
3089	((__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3)) && \
3090	!defined(__cplusplus) && !defined(CURL_DISABLE_TYPECHECK)
3091	#include "typecheck-gcc.h"
3092	#else
3093	#if defined(__STDC__) && (__STDC__ >= 1)
3094	/* This preprocessor magic that replaces a call with the exact same call is
3095	only done to make sure application authors pass exactly three arguments
3096	to these functions. */
3097	#define curl_easy_setopt(handle,opt,param) curl_easy_setopt(handle,opt,param)
3098	#define curl_easy_getinfo(handle,info,arg) curl_easy_getinfo(handle,info,arg)
3099	#define curl_share_setopt(share,opt,param) curl_share_setopt(share,opt,param)
3100	#define curl_multi_setopt(handle,opt,param) curl_multi_setopt(handle,opt,param)
3101	#endif /* __STDC__ >= 1 */
3102	#endif /* gcc >= 4.3 && !__cplusplus */
3103
3104	#endif /* CURLINC_CURL_H */
3105