Library /sys$common/syshlp/helplib.hlb  —  CRTL  semctl
    Semaphore control operations

    This function is OpenVMS Alpha and Integrity servers only.

    Format

      #include  <sem.h>

      int semctl  (int semid, int semnum, int cmd, . . . );
Additional Information: explode extract
Argument Description Return Values
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