pub unsafe extern "C" fn rocksdb_transaction_multi_get( txn: *mut rocksdb_transaction_t, options: *const rocksdb_readoptions_t, num_keys: usize, keys_list: *const *const c_char, keys_list_sizes: *const usize, values_list: *mut *mut c_char, values_list_sizes: *mut usize, errs: *mut *mut c_char)