1 // Copyright 2015 The Go Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style 3 // license that can be found in the LICENSE file. 4 5 //go:build darwin || dragonfly || freebsd || (linux && !arm64 && !loong64 && !riscv64) || netbsd || openbsd 6 7 package main 8 9 import "syscall" 10 11 func dup2(oldfd, newfd int) error { 12 return syscall.Dup2(oldfd, newfd) 13 } 14