static inline void status_report(struct tty_struct *tty)
{
	static const char teminal_ok[] = "\033[0n";

	respond_string(teminal_ok, strlen(teminal_ok), tty->port);
}
static inline void status_report(struct tty_struct *tty)
{
	static const char teminal_ok[] = "\033[0n";

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