compare_names
ret = compare_names(lhs->nspace, lhs->nspace_len,
ret = compare_names(effective_key1, effective_key1_len,
ret = compare_names(lhs->oid, lhs->oid_len, rhs->oid, rhs->oid_len);
qsort(table, table_cnt, sizeof(table[0]), compare_names);