        </div>
          </div>
          <p>
                 Identifies the directory in which the back up will be
                 placed. Any subdirectories required to contain the backup
                 must be placed relative to this directory. Note that if
                 the backup callbacks are set, then the value specified to
                 this parameter is passed on to the <code class="literal">open_func()</code>
                 callback. If this parameter is NULL, then the target must
    