taglinefilesource code
rt_route222net/inet/ip.crt = rt_route(daddr, &optmem);
rt_route235net/inet/ip.crt = rt_route(daddr, &optmem);
rt_route1104net/inet/ip.crt = rt_route(iph->daddr, NULL);
rt_route1123net/inet/ip.crt = rt_route(raddr, NULL);
rt_route308net/inet/route.cif ((rt = rt_route(((struct sockaddr_in *) &r->rt_gateway)->sin_addr.
rt_route41net/inet/route.hextern struct rtable  *rt_route(unsigned long daddr, struct options *opt);