func ptsname(f *os.File) (string, error) {
	var n int32
	if err := ioctl(f.Fd(), syscall.TIOCGPTN, uintptr(unsafe.Pointer(&n))); err != nil {
		return "", err
	}
	return fmt.Sprintf("/dev/pts/%d", n), nil
}
func ptsname(f *os.File) (string, error) {
	var n int32
	if err := ioctl(f.Fd(), syscall.TIOCGPTN, uintptr(unsafe.Pointer(&n))); err != nil {
		return "", err
	}
	return fmt.Sprintf("/dev/pts/%d", n), nil
}
func ptsname ( f * os . File ) ( string , error ) { var n int32 if err := ioctl ( f . Fd ( ) , syscall . TIOCGPTN , uintptr ( unsafe . Pointer ( & n ) ) ) ; err != nil { return " " , err } return fmt . Sprintf ( " " , n ) , nil }
// ptsname retrieves the name of the first available pts for the given master.
ptsname retrieves the name of the first available pts for the given master .