#ifndef _SYS_RANDOM_H #define _SYS_RANDOM_H #ifdef __cplusplus extern "C" { #endif #define __NEED_size_t #define __NEED_ssize_t #include #define GRND_NONBLOCK 0x0001 #define GRND_RANDOM 0x0002 ssize_t getrandom(void *, size_t, unsigned); #ifdef __cplusplus } #endif #endif