drivers/net/hamradio/mkiss.c

543

(tty_chars_in_buffer(ax->tty) || ax->xleft) ?

drivers/net/slip/slip.c

485

(tty_chars_in_buffer(sl->tty) || sl->xleft) ?

drivers/tty/n_hdlc.c

605

count = tty_chars_in_buffer(tty);

drivers/tty/n_tty.c

2454

tty_chars_in_buffer(tty) < WAKEUP_CHARS &&

drivers/tty/n_tty.c

2487

return put_user(tty_chars_in_buffer(tty), (int __user *) arg);

drivers/tty/tty_ioctl.c

185

!tty_chars_in_buffer(tty), timeout);

drivers/tty/tty_ioctl.c

484

retval = wait_event_interruptible(tty->write_wait, !tty_chars_in_buffer(tty));

drivers/tty/tty_ioctl.c

492

if (tty_chars_in_buffer(tty)) {

drivers/tty/tty_ioctl.c

54

EXPORT_SYMBOL(tty_chars_in_buffer);

drivers/tty/vt/keyboard.c

1435

(tty && !L_ECHO(tty) && tty_chars_in_buffer(tty)))) {

include/linux/tty.h

409

unsigned int tty_chars_in_buffer(struct tty_struct *tty);