shrub/include/ent/ent.h

#ifndef _ENT_H
#define _ENT_H

#include <stddef.h>

#include <ent/config.h>

/*
 * Fills buf with high-quality entropy.
 *
 * buflen is the number of bytes, no greater than 256.
 *
 * Returns 0 on success. On failure, returns -1 and sets errno to
 * indicate the error.
 */
int
ent_getentropy(void* buf, size_t buflen);

#endif /* _ENT_H */