zap_lookup_int
ASSERT0(zap_lookup_int(spa->spa_meta_objset,
ASSERT0(zap_lookup_int(spa->spa_meta_objset,
if (zap_lookup_int(spa->spa_meta_objset, new_avz,
int zap_lookup_int(objset_t *os, uint64_t obj, uint64_t value);
error = zap_lookup_int(osp, deleteq_obj, obj);