char *key, size_t key_length,
time_t expiration);
+memcached_return memcached_mdelete(memcached_st *ptr,
+ char **key, size_t *key_length,
+ unsigned int number_of_keys,
+ time_t expiration);
+
+memcached_return memcached_mdelete_by_key(memcached_st *ptr,
+ char *master_key, size_t master_key_length,
+ char **key, size_t *key_length,
+ unsigned int number_of_keys,
+ time_t expiration);
+
/* Result Struct */
void memcached_result_free(memcached_result_st *result);
memcached_result_st *memcached_result_create(memcached_st *ptr,