bhndb_find_intr_handler
ih = bhndb_find_intr_handler(sc->bus_res, cookiep);
ih = bhndb_find_intr_handler(sc->bus_res, cookie);
struct bhndb_intr_handler *bhndb_find_intr_handler(
KASSERT(bhndb_find_intr_handler(br, ih) == ih,