Copyright (C) 1994, Digital Equipment Corp. INTERFACE** getpgrp(2) - get process group **Uprocess ; FROM Ctypes IMPORT int;
<*EXTERNAL*> PROCEDURE getpgrp (pid: int): int;** getpid(2), getppid(2) - get process identification **
<*EXTERNAL*> PROCEDURE getpid (): int; <*EXTERNAL*> PROCEDURE getppid (): int;** setpgrp - set process group **
<*EXTERNAL*> PROCEDURE setpgrp (): int; END Uprocess.