ps_pgid
cpi.cpi_pgrp = pr->ps_pgid;
(idtype == P_PGID && id != pr->ps_pgid)) {
(idtype == P_PGID && id != pr->ps_pgid))
id = q->p_p->ps_pgid;
*retval = targpr->ps_pgid;
if (pr->ps_pgid == pid || pgfind(pid) != NULL) {