taglinefilesource code
icanon580drivers/char/n_tty.cif (!tty->icanon && (tty->read_cnt >= tty->minimum_to_wake)) {
icanon603drivers/char/n_tty.cif (tty->icanon && !tty->canon_data)
icanon622drivers/char/n_tty.ctty->icanon = (L_ICANON(tty) != 0);
icanon224include/linux/tty.hunsigned char lnext:1, erasing:1, raw:1, real_raw:1, icanon:1;