L_ECHOCTL 947 drivers/tty/n_tty.c if (L_ECHOCTL(tty) && iscntrl(c) && c != '\t') L_ECHOCTL 1070 drivers/tty/n_tty.c if (L_ECHOCTL(tty)) L_ECHOCTL 1078 drivers/tty/n_tty.c if (iscntrl(c) && L_ECHOCTL(tty)) { L_ECHOCTL 1083 drivers/tty/n_tty.c if (!iscntrl(c) || L_ECHOCTL(tty)) { L_ECHOCTL 1324 drivers/tty/n_tty.c if (L_ECHOCTL(tty)) {