Library /sys$common/syshlp/helplib.hlb  —  CRTL  getsid
    Gets the process group ID of the session leader.

    This function is OpenVMS Alpha and Integrity servers only.

    Format

      #include  <unistd.h>

      pid_t getsid  (pid_t pid);
Additional Information: explode extract
Argument Description Return Values
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