int (*chars_in_buffer)(struct tty_struct *tty);
void (*throttle)(struct tty_struct *tty);
void (*unthrottle)(struct tty_struct *tty);
- int (*tiocmget)(struct tty_struct *tty, struct file *file);
+ int (*tiocmget)(struct tty_struct *tty);
int (*tiocmset)(struct tty_struct *tty, struct file *file,
unsigned int set, unsigned int clear);
int (*get_icount)(struct tty_struct *tty,