You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: termios_unix.go
    path of file: ./repos/podman/vendor/github.com/moby/term
    
    the code of the file until where you have to start completion: //go:build !windows
// +build !windows

package term

import (
	"golang.org/x/sys/unix"
)

// Termios is the Unix API for terminal I/O.
//
// Deprecated: use [unix.Termios].
type Termios = unix.Termios

func makeRaw(fd uintptr) (*State, error) {
	termios, err := tcget(fd)
	if err != nil {
		return nil, err
	}

	oldState := State{termios: *termios}

	termios.Iflag &^= unix.IGNBRK | unix.BRKINT | unix.PARMRK | unix.ISTRIP | unix.INLCR | unix.IGNCR | unix.ICRNL | unix.IXON
	termios.Oflag &^= unix.OPOST
	termios.Lflag &^= unix.ECHO | unix.ECHONL | unix.I
    
func makeRaw(fd uintptr) (*State, error) {
	termios, err := tcget(fd)
	if err != nil {
		return nil, err
	}

	oldState := State{termios: *termios}

	termios.Iflag &^= unix.IGNBRK | unix.BRKINT | unix.PARMRK | unix.ISTRIP | unix.INLCR | unix.IGNCR | unix.ICRNL | unix.IXON
	termios.Oflag &^= unix.OPOST
	termios.Lflag &^= unix.ECHO | unix.ECHONL | unix.ICANON | unix.ISIG | unix.IEXTEN
	termios.Cflag &^= unix.CSIZE | unix.PARENB
	termios.Cflag |= unix.CS8
	termios.Cc[unix.VMIN] = 1
	termios.Cc[unix.VTIME] = 0

	if err := tcset(fd, termios); err != nil {
		return nil, err
	}
	return &oldState, nil
}