#pragma once
#include <stdint.h>
#include <stddef.h>

#define GRND_NONBLOCK	0x0001
#define GRND_RANDOM	0x0002
#define GRND_INSECURE	0x0004

void random_init(void);
int random_read(void* buf, size_t len);
int random_write(const void* buf, size_t len);
int getrandom(void *buf, size_t buflen, unsigned int flags);