texinfo/libtxi/memcpy.c

   1 /* Copy LEN bytes starting at SRCADDR to DESTADDR.  Result undefined
   2    if the source overlaps with the destination.
   3    Return DESTADDR. */
   4
   5 #ifdef HAVE_CONFIG_H
   6 #include <config.h>
   7 #endif
   8
   9 char *
  10 memcpy (destaddr, srcaddr, len)
  11      char *destaddr;
  12      const char *srcaddr;
  13      int len;
  14 {
  15   char *dest = destaddr;
  16
  17   while (len-- > 0)
  18     *destaddr++ = *srcaddr++;
  19   return dest;
  20 }