-A value of type \ ``memcached_return_t``\ is returned from memcached_version()
-On success that value will be \ ``MEMCACHED_SUCCESS``\ . If called with the
-\ ``MEMCACHED_BEHAVIOR_USE_UDP``\ behavior set, the value \ ``MEMCACHED_NOT_SUPPORTED``\
-will be returned. Use memcached_strerror() to translate this value to
-a printable string.