LOCK_UN
(void) flock(histfd, LOCK_UN);
(void) flock(histfd, LOCK_UN);
(void) flock(histfd, LOCK_UN);
(void)flock(fileno(score_fp), LOCK_UN);
(void)flock(fileno(lp), LOCK_UN);
(void) flock(fd, LOCK_UN);
(void)flock(fd, LOCK_UN|LOCK_NB);
flock(fileno(fp), LOCK_UN);
flock(fileno(sync_fp), LOCK_UN);
flock(sd, LOCK_UN);
if (flock(diskfd, LOCK_UN))
case LOCK_UN:
switch (op & (LOCK_EX|LOCK_SH|LOCK_UN)) {
case LOCK_UN:
case LOCK_UN:
case LOCK_UN:
if (T(LOCK_UN))
lock |= LOCK_UN;
if ((lock & ~LOCK_NB) == LOCK_UN)