222 	caddr_t netmask = NULL;  in rn_lookup_args()  local
229 		netmask = x->rn_key;  in rn_lookup_args()
232 	if (x && netmask) {  in rn_lookup_args()
233 		while (x && x->rn_mask != netmask) {  in rn_lookup_args()
513 	caddr_t netmask = (caddr_t)n_arg;  in rn_addmask()  local
521 	if ((mlen = *(u_char *)netmask) > max_keylen) {  in rn_addmask()
534 		Bcopy(netmask + skip, addmask_key + skip, mlen - skip);  in rn_addmask()
561 	netmask = cp = (caddr_t)(x + 2);  in rn_addmask()
573 	cplim = netmask + mlen; isnormal = 1;  in rn_addmask()
574 	for (cp = netmask + skip; (cp < cplim) && *(u_char *)cp == 0xff;) {  in rn_addmask()
585 	b += (cp - netmask) << 3;  in rn_addmask()
634 	caddr_t v = (caddr_t)v_arg, netmask = (caddr_t)n_arg;  in rn_addroute()  local
649 	if (netmask) {  in rn_addroute()
650 		if ((x = rn_addmask(netmask, 0, top->rn_offset)) == 0) {  in rn_addroute()
655 		netmask = x->rn_key;  in rn_addroute()
663 			if (tt->rn_mask == netmask) {  in rn_addroute()
666 			if (netmask == 0 ||  in rn_addroute()
669 			    || rn_refines(netmask, tt->rn_mask)  in rn_addroute()
670 			    || rn_lexobetter(netmask, tt->rn_mask)))) {  in rn_addroute()
717 	if (netmask) {  in rn_addroute()
718 		tt->rn_mask = netmask;  in rn_addroute()
755 	if ((netmask == 0) || (b > t->rn_bit)) {  in rn_addroute()
786 		if (mmask == netmask) {  in rn_addroute()
791 		if (rn_refines(netmask, mmask)  in rn_addroute()
792 		    || rn_lexobetter(netmask, mmask)) {  in rn_addroute()
806 	caddr_t v, netmask;  in rn_delete()  local
810 	netmask = netmask_arg;  in rn_delete()
824 	if (netmask) {  in rn_delete()
825 		if ((x = rn_addmask(netmask, 1, head_off)) == 0) {  in rn_delete()
828 		netmask = x->rn_key;  in rn_delete()
829 		while (tt->rn_mask != netmask) {  in rn_delete()