RT_DEFAULT
(void) ipv4_route(IPV4_ADD_ROUTE, RT_DEFAULT, NULL,
(void) ipv4_route(IPV4_ADD_ROUTE, RT_DEFAULT, NULL,
rip = ipv4_get_route(RT_DEFAULT, NULL, NULL);
rip = ipv4_get_route(RT_DEFAULT, NULL, NULL);
if (ipv4_route(IPV4_ADD_ROUTE, RT_DEFAULT, NULL, &addr) < 0) {