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