1313 	struct table *tp;  in find_router()  local
1315 	tp = table;  in find_router()
1316 	while (tp) {  in find_router()
1317 		if (tp->router.s_addr == addr.s_addr)  in find_router()
1318 			return (tp);  in find_router()
1319 		tp = tp->next;  in find_router()
1326 	struct table *tp;  in max_preference()  local
1329 	tp = table;  in max_preference()
1330 	while (tp) {  in max_preference()
1331 		if (tp->preference > max)  in max_preference()
1332 			max = tp->preference;  in max_preference()
1333 		tp = tp->next;  in max_preference()
1343 	struct table **tpp, *tp;  in age_table()  local
1349 		tp = *tpp;  in age_table()
1350 		tp->remaining_time -= time;  in age_table()
1351 		if (tp->remaining_time <= 0) {  in age_table()
1352 			*tpp = tp->next;  in age_table()
1353 			if (tp->in_kernel)  in age_table()
1354 				del_route(tp->router);  in age_table()
1356 			    tp->preference == max)  in age_table()
1358 			free((char *)tp);  in age_table()
1360 			tpp = &tp->next;  in age_table()
1367 			tp = table;  in age_table()
1368 			while (tp) {  in age_table()
1369 				if (tp->preference == max && !tp->in_kernel) {  in age_table()
1370 					add_route(tp->router);  in age_table()
1371 					tp->in_kernel++;  in age_table()
1373 				tp = tp->next;  in age_table()
1381 	struct table **tpp, *tp;  in discard_table()  local
1385 		tp = *tpp;  in discard_table()
1386 		*tpp = tp->next;  in discard_table()
1387 		if (tp->in_kernel)  in discard_table()
1388 			del_route(tp->router);  in discard_table()
1389 		free((char *)tp);  in discard_table()
1397 	struct table *tp;  in record_router()  local
1410 	tp = find_router(router);  in record_router()
1411 	if (tp) {  in record_router()
1412 		if (tp->preference > preference &&  in record_router()
1413 		    tp->preference == old_max)  in record_router()
1415 		else if (preference > tp->preference)  in record_router()
1417 		tp->preference = preference;  in record_router()
1418 		tp->remaining_time = ttl;  in record_router()
1422 		tp = (struct table *)ALLIGN(malloc(sizeof(struct table)));  in record_router()
1423 		if (tp == NULL) {  in record_router()
1427 		tp->router = router;  in record_router()
1428 		tp->preference = preference;  in record_router()
1429 		tp->remaining_time = ttl;  in record_router()
1430 		tp->in_kernel = 0;  in record_router()
1431 		tp->next = table;  in record_router()
1432 		table = tp;  in record_router()
1434 	if (!tp->in_kernel &&  in record_router()
1435 	    (!best_preference || tp->preference == max_preference()) &&  in record_router()
1436 	    tp->preference != INELIGIBLE_PREF) {  in record_router()
1437 		add_route(tp->router);  in record_router()
1438 		tp->in_kernel++;  in record_router()
1440 	if (tp->preference == INELIGIBLE_PREF && tp->in_kernel) {  in record_router()
1441 		del_route(tp->router);  in record_router()
1442 		tp->in_kernel = 0;  in record_router()
1448 			tp = table;  in record_router()
1449 			while (tp) {  in record_router()
1450 				if (tp->preference == new_max &&  in record_router()
1451 				    !tp->in_kernel) {  in record_router()
1452 					add_route(tp->router);  in record_router()
1453 					tp->in_kernel++;  in record_router()
1455 				tp = tp->next;  in record_router()
1462 		tp = table;  in record_router()
1463 		while (tp) {  in record_router()
1464 			if (tp->preference < new_max && tp->in_kernel) {  in record_router()
1465 				del_route(tp->router);  in record_router()
1466 				tp->in_kernel = 0;  in record_router()
1468 			tp = tp->next;  in record_router()