#include <libmemcached/memcached.h>
-.. c:function:: memcached_return_t memcached_callback_set (memcached_st *ptr, memcached_callback_t flag, void *data);
+.. c:function:: memcached_return_t memcached_callback_set (memcached_st *ptr, memcached_callback_t flag, const void *data);
.. c:function:: void * memcached_callback_get (memcached_st *ptr, memcached_callback_t flag, memcached_return_t *error);
At the point of its execution all connections are closed.
.. c:type:: MEMCACHED_CALLBACK_PREFIX_KEY
+
+ See :c:type:`MEMCACHED_CALLBACK_NAMESPACE`
+
+.. c:type:: MEMCACHED_CALLBACK_NAMESPACE
You can set a value which will be used to create a domain for your keys.
The value specified here will be prefixed to each of your keys. The value can