memcpy.c - enscript - GNU Enscript
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       ---
       memcpy.c (336B)
       ---
            1 /* Copy LEN bytes starting at SRCADDR to DESTADDR.  Result undefined
            2    if the source overlaps with the destination.
            3    Return DESTADDR. */
            4 
            5 char *
            6 memcpy (destaddr, srcaddr, len)
            7      char *destaddr;
            8      const char *srcaddr;
            9      int len;
           10 {
           11   char *dest = destaddr;
           12 
           13   while (len-- > 0)
           14     *destaddr++ = *srcaddr++;
           15   return dest;
           16 }