checkaux
bus_space_handle_t ioh_c, pckbc_slot_t slot, int checkaux)
bus_space_handle_t ioh_c, pckbc_slot_t slot, int checkaux)
if (checkaux && (stat & KBS_AUXDATA)) {
(void)expr_eval(fi->fi_optx, checkaux, fi);
static int checkaux(const char *, void *);