mtimecmp
if (ForceOpt || mtimecmp(stat1, &st2) != 0) {
static int mtimecmp(struct stat *st1, struct stat *st2);
if (mtimecmp(st1, st2) != 0)
mtimecmp(st1, &sthl) != 0 ||
(ValidateOpt == 2 || mtimecmp(stat1, &st2) == 0) &&