static inline void respond_ID(struct tty_struct *tty)
{
	/* terminal answer to an ESC-Z or csi0c query. */
	static const char vt102_id[] = "\033[?6c";

	respond_string(vt102_id, strlen(vt102_id), tty->port);
}
static inline void respond_ID(struct tty_struct *tty)
{
	 
	static const char vt102_id[] = "\033[?6c";

	respond_string(vt102_id, strlen(vt102_id), tty->port);
}