lib/memset.c

   1 /* memset.c -- set an area of memory to a given value
   2    Copyright (C) 1991 Free Software Foundation, Inc.
   3
   4    This program is free software; you can redistribute it and/or modify
   5    it under the terms of the GNU General Public License as published by
   6    the Free Software Foundation; either version 2, or (at your option)
   7    any later version.
   8
   9    This program is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12    GNU General Public License for more details.
  13
  14    You should have received a copy of the GNU General Public License
  15    along with this program; if not, write to the Free Software
  16    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */
  17
  18 char *
  19 memset (str, c, len)
  20      char *str;
  21      int c;
  22      unsigned len;
  23 {
  24   register char *st = str;
  25
  26   while (len-- > 0)
  27     *st++ = c;
  28   return str;
  29 }