CD18XX_CHANNEL
cd18xx_set_car(sc, CD18XX_CHANNEL(p->p_tty->t_dev));
cd18xx_set_car(sc, CD18XX_CHANNEL(tp->t_dev));
channel = CD18XX_CHANNEL(dev);
cd18xx_set_car(sc, CD18XX_CHANNEL(dev));
channel = CD18XX_CHANNEL(dev);
struct cdtty_port *port = &sc->sc_ports[CD18XX_CHANNEL(dev)];
struct cdtty_port *port = &sc->sc_ports[CD18XX_CHANNEL(dev)];
struct cdtty_port *port = &sc->sc_ports[CD18XX_CHANNEL(dev)];
struct cdtty_port *port = &sc->sc_ports[CD18XX_CHANNEL(dev)];
struct cdtty_port *port = &sc->sc_ports[CD18XX_CHANNEL(dev)];
struct cdtty_port *p = &sc->sc_ports[CD18XX_CHANNEL(tp->t_dev)];
cd18xx_set_car(sc, CD18XX_CHANNEL(tp->t_dev));
struct cdtty_port *p = &sc->sc_ports[CD18XX_CHANNEL(tp->t_dev)];
cd18xx_set_car(sc, CD18XX_CHANNEL(p->p_tty->t_dev));
struct cdtty_port *p = &sc->sc_ports[CD18XX_CHANNEL(tp->t_dev)];
struct cdtty_port *p = &sc->sc_ports[CD18XX_CHANNEL(tp->t_dev)];