UTIME_NOW
if (lcp->lc_mtime.tv_nsec == UTIME_NOW ||
lcp->lc_mtime.tv_nsec = UTIME_NOW;
if (nsec == UTIME_OMIT || nsec == UTIME_NOW)
if (times[0].tv_nsec == UTIME_NOW &&
times[1].tv_nsec == UTIME_NOW)
else if (times[0].tv_nsec != UTIME_NOW) {
else if (times[1].tv_nsec != UTIME_NOW) {