* @param iter function to call with the result
* @param iter_cls closure for iter
* @return GNUNET_OK on success, GNUNET_NO if there were no results, GNUNET_SYSERR on error
+ * 'iter' will have been called unless the return value is 'GNUNET_SYSERR'
*/
int (*iterate_records) (void *cls,
const struct GNUNET_CRYPTO_ShortHashCode *zone,
* @param iter function to call with the result
* @param iter_cls closure for iter
* @return GNUNET_OK on success, GNUNET_NO if there were no results, GNUNET_SYSERR on error
+ * 'iter' will have been called unless the return value is 'GNUNET_SYSERR'
*/
int (*zone_to_name) (void *cls,
const struct GNUNET_CRYPTO_ShortHashCode *zone,