-typedef bool (*drain_func)(struct memcached_protocol_client_st *client);
-typedef protocol_binary_response_status (*spool_func)(struct memcached_protocol_client_st *client,
+typedef bool (*drain_func)(memcached_protocol_client_st *client);
+typedef protocol_binary_response_status (*spool_func)(memcached_protocol_client_st *client,