satosat
sat2 = satosat(ifa->ifa_addr);
gate = satosat(ifa->ifa_dstaddr);
gate = satosat(ifa->ifa_addr);
sockaddr_at_init1(satosat(sa), addr, port);
net = satosat(rt->rt_gateway)->sat_addr.s_net;
satosat(rt->rt_gateway)->sat_addr.s_node;
gate = *satosat(rt->rt_gateway);