int iobase, rv = 0;
bus_addr_t iobase, rv = 0;
com_localbus_probe(parent, match, aux)	struct device *parent;	void *match, *aux;{	bus_space_tag_t iot;	bus_space_handle_t ioh;	struct cfdata *cf = match;	struct confargs *ca = aux;	int iobase, rv = 0;	/*	 *  Check if this is our com. If low nibble is 0 match	 *  against system CLASS. Else a perfect match is checked.	 */	if ((ca->ca_sys & 0x000f) == 0) {		if (ca->ca_sys != (sys_config.system_type & 0xfff0))			return 0;	} else if (ca->ca_sys != sys_config.system_type)		return 0;	iobase = (bus_addr_t)sys_config.cons_ioaddr[cf->cf_unit];	if (iobase) {		iot = sys_config.cons_iot;		/* if it's in use as console, it's there. */		if (!(iobase == comconsaddr && !comconsattached)) {			bus_space_map(iot, iobase, COM_NPORTS, 0, &ioh);			rv = comprobe1(iot, ioh);		} else {			rv = 1;		}	}	return (rv);}