LOCK_UN
flock(fileno(score_fp), LOCK_UN);
flock(fd, LOCK_UN);
flock(fileno(fp), LOCK_UN);
flock(fileno(sync_fp), LOCK_UN);
flock (pf_fd, LOCK_UN);
if (uap->how & LOCK_UN) {
flock(fd, LOCK_UN);
flock(LockFd, LOCK_UN);
flock(LockFd, LOCK_UN); /* may fail */
flock(LockFd, LOCK_UN);
flock(LockFd, LOCK_UN);
flock(lockfd, LOCK_UN);
(void) flock(fileno(flog), LOCK_UN);
case LOCK_UN: /* unlock */
flock(ypdb->dom_lockfd, LOCK_UN);