HELPLIB.HLB  —  CRTL  sem_timedwait
    Performs a semaphore lock.

    This function is supported on OpenVMS Integrity servers and
    Alpha only.

    Format

      #include  <semaphore.h>

      #include  <time.h>

      int sem_timedwait  (sem_t *sem, const struct timespec
                         *abs_timeout);
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Argument Description Return Values
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