60   struct tun_data tunnel;  in main()  local
106   if (tunfd_str != NULL && !parse_int(tunfd_str, &tunnel.fd4)) {  in main()
110   if (!tunnel.fd4) {  in main()
115   len = snprintf(tunnel.device4, sizeof(tunnel.device4), "%s%s", DEVICEPREFIX, uplink_interface);  in main()
116   if (len >= sizeof(tunnel.device4)) {  in main()
117     logmsg(ANDROID_LOG_FATAL, "interface name too long '%s'", tunnel.device4);  in main()
130   open_sockets(&tunnel, mark);  in main()
135   configure_interface(uplink_interface, plat_prefix, v4_addr, v6_addr, &tunnel, mark);  in main()
146   event_loop(&tunnel);  in main()
149   del_anycast_address(tunnel.write_fd6, &Global_Clatd_Config.ipv6_local_subnet);  in main()
151   close(tunnel.write_fd6);  in main()
152   close(tunnel.read_fd6);  in main()
153   close(tunnel.fd4);  in main()