func runCProxy(tun *os.File, conn *os.File, ctl *os.File, tunIP ip.IP4, tunMTU uint) { var log_errors int if log.V(1) { log_errors = 1 } C.run_proxy( C.int(tun.Fd()), C.int(conn.Fd()), C.int(ctl.Fd()), C.in_addr_t(tunIP.NetworkOrder()), C.size_t(tunMTU), C.int(log_errors), ) }