// Copyright 2021 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 plan9

package fdtest

import (

"syscall"

)

const errBadFd = syscall.ErrorString("fd out of range or not open")

// Exists returns true if fd is a valid file descriptor.

func Exists(fd uintptr) bool {

}