1 | /* Copyright (C) 1991-2022 Free Software Foundation, Inc. |
2 | This file is part of the GNU C Library. |
3 | |
4 | The GNU C Library is free software; you can redistribute it and/or |
5 | modify it under the terms of the GNU Lesser General Public |
6 | License as published by the Free Software Foundation; either |
7 | version 2.1 of the License, or (at your option) any later version. |
8 | |
9 | The GNU C Library is distributed in the hope that it will be useful, |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
12 | Lesser General Public License for more details. |
13 | |
14 | You should have received a copy of the GNU Lesser General Public |
15 | License along with the GNU C Library; if not, see |
16 | <https://www.gnu.org/licenses/>. */ |
17 | |
18 | #ifndef _SYS_IOCTL_H |
19 | #define _SYS_IOCTL_H 1 |
20 | |
21 | #include <features.h> |
22 | |
23 | __BEGIN_DECLS |
24 | |
25 | /* Get the list of `ioctl' requests and related constants. */ |
26 | #include <bits/ioctls.h> |
27 | |
28 | /* Define some types used by `ioctl' requests. */ |
29 | #include <bits/ioctl-types.h> |
30 | |
31 | /* On a Unix system, the system <sys/ioctl.h> probably defines some of |
32 | the symbols we define in <sys/ttydefaults.h> (usually with the same |
33 | values). The code to generate <bits/ioctls.h> has omitted these |
34 | symbols to avoid the conflict, but a Unix program expects <sys/ioctl.h> |
35 | to define them, so we must include <sys/ttydefaults.h> here. */ |
36 | #include <sys/ttydefaults.h> |
37 | |
38 | /* Perform the I/O control operation specified by REQUEST on FD. |
39 | One argument may follow; its presence and type depend on REQUEST. |
40 | Return value depends on REQUEST. Usually -1 indicates error. */ |
41 | #ifndef __USE_TIME_BITS64 |
42 | extern int ioctl (int __fd, unsigned long int __request, ...) __THROW; |
43 | #else |
44 | # ifdef __REDIRECT |
45 | extern int __REDIRECT_NTH (ioctl, (int __fd, unsigned long int __request, ...), |
46 | __ioctl_time64); |
47 | # else |
48 | extern int __ioctl_time64 (int __fd, unsigned long int __request, ...) __THROW; |
49 | # define ioctl __ioctl_time64 |
50 | # endif |
51 | #endif |
52 | |
53 | __END_DECLS |
54 | |
55 | #endif /* sys/ioctl.h */ |
56 | |