xabort
__dead void xabort(const char *, ...);
xabort("store not implemented for type %d", ba->ba_type);
xabort("no eval support for type %d", bval->ba_type);
xabort("unsupported operation %d", ba->ba_type);
xabort("unsupported type %d", ba->ba_type);
xabort("no long conversion for type %d", ba->ba_type);
xabort("no string conversion for type %d", ba->ba_type);
xabort("invalid argument type %d", ba->ba_type);
xabort("no compare support for type %d", a->ba_type);
xabort("no handler for action type %d", bs->bs_act);