nmeaopen           89 kern/tty_conf.c int	nmeaopen(dev_t, struct tty *);
nmeaopen          139 kern/tty_conf.c 	{ nmeaopen, nmeaclose, ttread, ttwrite, nullioctl,
nmeaopen           39 kern/tty_nmea.c int	nmeaopen(dev_t, struct tty *);