preops           1625 drivers/tty/n_tty.c 	bool preops = I_ISTRIP(tty) || (I_IUCLC(tty) && L_IEXTEN(tty));
preops           1629 drivers/tty/n_tty.c 	else if (ldata->raw || (L_EXTPROC(tty) && !preops))
preops           1643 drivers/tty/n_tty.c 		if (!preops && !I_PARMRK(tty))