ipv4_get_route
if ((rip = ipv4_get_route(RT_HOST, &iphp->ip_dst,
rip = ipv4_get_route(RT_DEFAULT, NULL, NULL);
if ((rip = ipv4_get_route(RT_HOST, &iph->ip_dst,
rip = ipv4_get_route(RT_DEFAULT, NULL, NULL);
extern struct in_addr *ipv4_get_route(uint8_t, struct in_addr *,