395 	int unit = ZS_UNIT(dev);  in zsopen()  local
492 	int unit = ZS_UNIT(dev);  in zsclose()  local
521 	int unit;  in zsread()  local
537 	int unit;  in zswrite()  local
553 	int unit;  in zspoll()  local
568 	int unit;  in zstty()  local
724 zsoverrun(int unit, long *ptime, const char *what)  in zsoverrun()
860 	int unit = ZS_UNIT(dev);  in zsioctl()  local
982 	int unit = ZS_UNIT(tp->t_dev);  in zsstart()  local
1034 	int s, unit = ZS_UNIT(tp->t_dev);  in zsstop()  local
1090 	int unit = ZS_UNIT(tp->t_dev);  in zsparam()  local
1193 zsbaudrate(int unit, int wanted, int *divisor, int *clockmode, int *brgenmode,  in zsbaudrate()