172 	uint8_t *netmask = NULL;  in rn_lookup()  local
180 		netmask = x->rn_key;  in rn_lookup()
183 	if (x && netmask) {  in rn_lookup()
184 		while (x && x->rn_mask != netmask)  in rn_lookup()
435 	uint8_t *netmask = n_arg;  in rn_addmask()  local
451 		(void) memmove(addmask_key + skip, netmask + skip, mlen - skip);  in rn_addmask()
474 	netmask = cp = (uint8_t *)(x + 2);  in rn_addmask()
489 	cplim = netmask + mlen;  in rn_addmask()
491 	for (cp = netmask + skip; (cp < cplim) && *cp == 0xff; )  in rn_addmask()
499 	b += (cp - netmask) << 3;  in rn_addmask()
547 	uint8_t *v = v_arg, *netmask = n_arg;  in rn_addroute()  local
562 	if (netmask)  {  in rn_addroute()
563 		if ((x = rn_addmask(netmask, 0, top->rn_off)) == NULL) {  in rn_addroute()
569 		netmask = x->rn_key;  in rn_addroute()
577 			if (tt->rn_mask == netmask) {  in rn_addroute()
582 			if (netmask == NULL ||  in rn_addroute()
585 				    rn_refines(netmask, tt->rn_mask) ||  in rn_addroute()
586 				    rn_lexobetter(netmask, tt->rn_mask))))  in rn_addroute()
630 	if (netmask) {  in rn_addroute()
631 		tt->rn_mask = netmask;  in rn_addroute()
663 	if ((netmask == NULL) || (b > t->rn_b)) {  in rn_addroute()
696 		if (mmask == netmask) {  in rn_addroute()
701 		if (rn_refines(netmask, mmask) || rn_lexobetter(netmask, mmask))  in rn_addroute()
714 	uint8_t *v, *netmask;  in rn_delete()  local
719 	netmask = netmask_arg;  in rn_delete()
734 	if (netmask) {  in rn_delete()
735 		if ((x = rn_addmask(netmask, 1, head_off)) == NULL) {  in rn_delete()
739 		netmask = x->rn_key;  in rn_delete()
740 		while (tt->rn_mask != netmask)  in rn_delete()