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// 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 aix || darwin || solaris
// +build aix darwin solaris
package net
import _ "unsafe" // for go:linkname
// Implemented in the syscall package.
//go:linkname fcntl syscall.fcntl
func fcntl(fd int, cmd int, arg int) (int, error)