1 /* Copyright (C) 1995, 1997, 2000, 2003, 2006 Free Software Foundation, Inc.
   2 
   3    This program is free software; you can redistribute it and/or modify
   4    it under the terms of the GNU General Public License as published by
   5    the Free Software Foundation; either version 2, or (at your option)
   6    any later version.
   7 
   8    This program is distributed in the hope that it will be useful,
   9    but WITHOUT ANY WARRANTY; without even the implied warranty of
  10    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11    GNU General Public License for more details.
  12 
  13    You should have received a copy of the GNU General Public License
  14    along with this program; if not, write to the Free Software Foundation,
  15    Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */
  16 
  17 /* Written by Jim Meyering <meyering@na-net.ornl.gov>.  */
  18 
  19 #include <config.h>
  20 
  21 #include <stddef.h>
  22 
  23 /* Copy LEN bytes starting at SRCADDR to DESTADDR.  Result undefined
  24    if the source overlaps with the destination.
  25    Return DESTADDR. */
  26 
  27 void *
  28 memcpy (void *destaddr, void const *srcaddr, size_t len)
  29 {
  30   char *dest = destaddr;
  31   char const *src = srcaddr;
  32 
  33   while (len-- > 0)
  34     *dest++ = *src++;
  35   return destaddr;
  36 }