1#ifndef _SYS_RANDOM_H
2#include <stdlib/sys/random.h>
3
4# ifndef _ISOMAC
5
6extern ssize_t __getrandom (void *__buffer, size_t __length,
7 unsigned int __flags) __wur;
8libc_hidden_proto (__getrandom)
9
10# endif /* !_ISOMAC */
11#endif
12

source code of glibc/include/sys/random.h