text: /*
   * rand.h
   *
   * Pseudo-random number generation, based on OpenBSD arc4random().
   *
   * Copyright (c) 2000 Dug Song <dugsong@monkey.org>
   * Copyright (c) 1996 David Mazieres <dm@lcs.mit.edu>
   *
   * $Id: rand.h,v 1.4 2002/04/07 19:01:25 dugsong Exp $
   */
  
  #ifndef DNET_RAND_H
  #define DNET_RAND_H
  
  typedef struct rand_handle rand_t;
  
  __BEGIN_DECLS
  rand_t	*rand_open(void);
  
  int	 rand_get(rand_t *r, void *buf, size_t len);
  int	 rand_set(rand_t *r, const void *seed, size_t len);
  int	 rand_add(rand_t *r, const void *buf, size_t len);
  
  uint8_t	 rand_uint8(rand_t *r);
  uint16_t rand_uint16(rand_t *r);
  uint32_t rand_uint32(rand_t *r);
  
  int	 rand_shuffle(rand_t *r, void *base, size_t nmemb, size_t size);
  
  rand_t	*rand_close(rand_t *r);
  __END_DECLS
  
  #endif /* DNET_RAND_H */
  