kill_pg           144 usr/server/proc/proc.h int	kill_pg(pid_t, int);
kill_pg           191 usr/server/proc/proc_sig.c 		error = kill_pg(curproc->p_pgrp->pg_pgid, sig);
kill_pg           196 usr/server/proc/proc_sig.c 		error = kill_pg(-pid, sig);
kill_pg            64 usr/server/proc/proc_tty.c 	kill_pg(pgid, sig);