xref: /openbsd-src/gnu/usr.bin/texinfo/lib/memcpy.c (revision db3296cf5c1dd9058ceecc3a29fe4aaa0bd26000)
1 /* Copyright (C) 1995, 1997 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
16 
17 /* Written by Jim Meyering <meyering@na-net.ornl.gov>.  */
18 
19 #if HAVE_CONFIG_H
20 # include <config.h>
21 #endif
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 char *
28 memcpy (destaddr, srcaddr, len)
29      char *destaddr;
30      const char *srcaddr;
31      int len;
32 {
33   char *dest = destaddr;
34 
35   while (len-- > 0)
36     *destaddr++ = *srcaddr++;
37   return dest;
38 }
39