:func:`memcached_get_sasl_callbacks` returns the callbacks currently used by
this memcached handle. :func:`memcached_set_sasl_auth_data` returns
`MEMCACHED_SUCCESS` upon success.
:func:`memcached_get_sasl_callbacks` returns the callbacks currently used by
this memcached handle. :func:`memcached_set_sasl_auth_data` returns
`MEMCACHED_SUCCESS` upon success.