func golang.org/x/sys/unix.Dup3

2 uses

	golang.org/x/sys/unix (current package)
		syscall_linux.go#L1873: 	return Dup3(oldfd, newfd, 0)
		zsyscall_linux.go#L672: func Dup3(oldfd int, newfd int, flags int) (err error) {