             be specified to the <code class="literal">open_func()</code>
                 callback.
             </p>
          <p>
                 This directory, and any required subdirectories, will be
                 created for you if you specify the
                 <code class="literal">DB_CREATE</code> flag on the call to this
                 method. Otherwise, if the target does not exist, this
                 method exits with an <code class="literal">ENOENT</code>
                 error retu