setup_if
if(do_ip4 && !setup_if(&outnet->ip4_ifs[0], "0.0.0.0",
if(do_ip6 && !setup_if(&outnet->ip6_ifs[0], "::",
if(!setup_if(&outnet->ip6_ifs[done_6], ifs[i],
if(!setup_if(&outnet->ip4_ifs[done_4], ifs[i],
if(do_ip4 && !setup_if(&outnet->ip4_ifs[0], "0.0.0.0",
if(do_ip6 && !setup_if(&outnet->ip6_ifs[0], "::",
if(!setup_if(&outnet->ip6_ifs[done_6], ifs[i],
if(!setup_if(&outnet->ip4_ifs[done_4], ifs[i],