golang nettest_stub 代码
文件路径：/src/vendor/golang.org/x/net/nettest/nettest_stub.go
// Copyright 2019 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
//go:build !aix && !darwin && !dragonfly && !freebsd && !linux && !netbsd && !openbsd && !solaris && !windows && !zos
// +build !aix,!darwin,!dragonfly,!freebsd,!linux,!netbsd,!openbsd,!solaris,!windows,!zos
package nettest
func supportsRawSocket() bool {
return false
}