arameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">netif</td><td>The lwIP network interface on which ipaddr must be queried for. </td></tr>
    <tr><td class="paramname">ipaddr</td><td>The IP address to be resolved. </td></tr>
    <tr><td class="paramname">q</td><td>If non-NULL, a pbuf that must be delivered to the IP address. q is not freed by this function.</td></tr>
  </table>
  </dd>
</dl>
<dl class="section note"><dt>Note</dt><dd>q must only be ONE packet, not a packet queue!</dd