src/cmd/cgo/internal/testcshared/testdata/libgo2/dup3.go

// Copyright 2015 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 (linux && arm64) || (linux && loong64) || (linux && riscv64)

package main

import "syscall"

func dup2(oldfd, newfd int) error {
	return syscall.Dup3(oldfd, newfd, 0)
}