center" colspan="3">C99 Features in C++11</th>
    </tr>
    <tr>
      <td><code>__func__</code> predefined identifier</td>
      <td><a href="https://wg21.link/n2340">N2340</a></td>
      <td class="full" align="center">Clang 2.9</td>
    </tr>
    <tr>
      <td>C99 preprocessor</td>
      <td><a href="https://wg21.link/n1653">N1653</a></td>
      <td class="full" align="center">Clang 2.9</td>
    </tr>
    <tr>
      <td><code>long long</code></td>
      <td><a href="https://wg21.link/n1811">N1811</a></