mdw@git.distorted.org.uk Git - become/blob - src/noise.h

   1 /* -*-c-*-
   2  *
   3  * $Id: noise.h,v 1.1 1997/08/07 09:45:26 mdw Exp $
   4  *
   5  * Collection of environmental noise
   6  *
   7  * (c) 1997 EBI
   8  */
   9
  10 /*----- Licensing notice --------------------------------------------------*
  11  *
  12  * This file is part of `become'
  13  *
  14  * `Become' is free software; you can redistribute it and/or modify
  15  * it under the terms of the GNU General Public License as published by
  16  * the Free Software Foundation; either version 2 of the License, or
  17  * (at your option) any later version.
  18  *
  19  * `Become' is distributed in the hope that it will be useful,
  20  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  21  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  22  * GNU General Public License for more details.
  23  *
  24  * You should have received a copy of the GNU General Public License
  25  * along with `become'; if not, write to the Free Software Foundation,
  26  * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  27  */
  28
  29 /*----- Revision history --------------------------------------------------*
  30  *
  31  * $Log: noise.h,v $
  32  * Revision 1.1  1997/08/07 09:45:26  mdw
  33  * New source file added to acquire environmental noise and add it to the
  34  * randomness pool (see `rand.c').
  35  *
  36  */
  37
  38 #ifndef NOISE_H
  39 #define NOISE_H
  40
  41 #ifdef __cplusplus
  42   extern "C" {
  43 #endif
  44
  45 /*----- Functions provided ------------------------------------------------*/
  46
  47 /* --- @noise_acquire@ --- *
  48  *
  49  * Arguments:   ---
  50  *
  51  * Returns:     ---
  52  *
  53  * Use:         Attempts to acquire an amount of random noise from the
  54  *              environment.  A lot of it's not actually much good, but
  55  *              it's better than nothing.  There's probably a bit or two's
  56  *              worth in each item which gets added.
  57  */
  58
  59 extern void noise_acquire(void);
  60
  61 /*----- That's all, folks -------------------------------------------------*/
  62
  63 #ifdef __cplusplus
  64   }
  65 #endif
  66
  67 #endif
  68