1#ifndef _SYS_RANDOM_H 2#define _SYS_RANDOM_H 3#ifdef __cplusplus 4extern "C" { 5#endif 6 7#define __NEED_size_t 8#define __NEED_ssize_t 9#include <bits/alltypes.h> 10 11#define GRND_NONBLOCK 0x0001 12#define GRND_RANDOM 0x0002 13#define GRND_INSECURE 0x0004 14 15ssize_t getrandom(void *, size_t, unsigned); 16 17#ifdef __cplusplus 18} 19#endif 20#endif 21