        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
        </tr>
      </table>
</div><div class="memdoc">

<p>Establishes a session with the MQTT broker. </p>
<dl class="section pre"><dt>Precondition</dt><dd>mqtt_init must have been called.</dd></dl>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramdir">[in,out]</td><td class="paramname">client</td><td>The MQTT client. </td></tr>
    <tr><td class="paramdir">[in]</td><