        <li>
                <p>
                <code class="methodname">set_errfile()</code>
            </p>
                <p>
                Sets the C library <code class="literal">FILE *</code> to be used for
                displaying error messages issued by the DB library.
            </p>
              </li>
              <li>
                <p>
                <code class="methodname">set_errpfx()</code>
                
            </p>
                <p>
                Sets the prefix use