//go:build !freebsd && !openbsd && !windows && !darwin && !linux // +build !freebsd,!openbsd,!windows,!darwin,!linux package main import ( "net" ) func (proxy *Proxy) udpListenerConfig() (*net.ListenConfig, error) { return &net.ListenConfig{}, nil } func (proxy *Proxy) tcpListenerConfig() (*net.ListenConfig, error) { return &net.ListenConfig{}, nil }