bsd/kern/kern_proc.c

1042 		pgrp = PGRP_NULL;
1065 	if(pgrp == PGRP_NULL)
1166 	if (pgrp == PGRP_NULL) {
1183 			if (mypgrp != PGRP_NULL)
1267 	if(mypgrp != PGRP_NULL)
1415 	if (hispg != PGRP_NULL)
1424 	struct pgrp *hispgrp = PGRP_NULL;
1469 	if (hispgrp != PGRP_NULL)
1495 	if (pgrp == PGRP_NULL)
2590 	if (pg == PGRP_NULL)
2627 	if (oldpg == PGRP_NULL)
2721 		return(PGRP_NULL);
2733 	if (pgrp != PGRP_NULL) {
2747 	struct pgrp * pg = PGRP_NULL;
2752 	if (pg != PGRP_NULL) {
2778 	if ((p->p_pgrp != PGRP_NULL) && ((sess = p->p_pgrp->pg_session) != SESSION_NULL)) {