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          <td class="memname">#define etharp_gratuitous</td>
          <td>(</td>
          <td class="paramtype">&#160;</td>
          <td class="paramname"><a class="el" href="structnetif.html">netif</a></td><td>)</td>
          <td>&#160;&#160;&#160;<a class="el" href="lwip_2etharp_8h.html#a3e56faced96841e615f88dd57d1b2b15">etharp_request</a>((<a class="el" href="structnetif.html">netif</a>), <a class="el" href="group__netif__ip4.html#gac9b6e63b5dd2968fe0a4813f3ee