EXT_IP4
.connect_to = { EXT_IP4, EXT_PORT },
run_sk_assign(skel, lookup_prog, INT_IP4, EXT_IP4);
server_fd = make_server(sotype, EXT_IP4, EXT_PORT, NULL);
connected_fd = connect_to_addr_str(AF_INET, sotype, EXT_IP4, EXT_PORT, NULL);
client_fd = connect_to_addr_str(AF_INET, sotype, EXT_IP4, EXT_PORT, NULL);
err = make_sockaddr(AF_INET, EXT_IP4, EXT_PORT, &dst, &len);
.listen_at = { EXT_IP4, EXT_PORT },
.listen_at = { EXT_IP4, EXT_PORT },
.listen_at = { EXT_IP4, EXT_PORT },
.listen_at = { EXT_IP4, EXT_PORT },
.connect_to = { EXT_IP4, EXT_PORT },
.listen_at = { EXT_IP4, INT_PORT },
.connect_to = { EXT_IP4, EXT_PORT },
.connect_to = { EXT_IP4, EXT_PORT },
.connect_to = { EXT_IP4, EXT_PORT },
.connect_to = { EXT_IP4, EXT_PORT },
.connect_to = { EXT_IP4, EXT_PORT },
.listen_at = { EXT_IP4, INT_PORT },
.connect_to = { EXT_IP4, EXT_PORT },
.connect_to = { EXT_IP4, EXT_PORT },
.connect_to = { EXT_IP4, EXT_PORT },
.connect_to = { EXT_IP4, EXT_PORT },
.connect_to = { EXT_IP4, EXT_PORT },
.connect_to = { EXT_IP4, EXT_PORT },
.listen_at = { EXT_IP4, EXT_PORT },
.connect_to = { EXT_IP4, EXT_PORT },
.listen_at = { EXT_IP4, EXT_PORT },
.connect_to = { EXT_IP4, EXT_PORT },
.listen_at = { EXT_IP4, EXT_PORT },
.connect_to = { EXT_IP4, EXT_PORT },
.listen_at = { EXT_IP4, EXT_PORT },
.connect_to = { EXT_IP4, EXT_PORT },