/* Copyright (c) 1979 Regents of the University of California */ static char sccsid[] = "@(#)blkcpy.c 1.1 03/07/81"; blkcpy(siz, from, to) long siz; register char *from; register char *to; { register int size = siz; if (from + size < to) while(size-- > 0) *to++ = *from++; else { to += size; from += size; while(size-- > 0) *--to = *--from; } }