1a781729">th_dec_ctx</a> *&nbsp;</td>
          <td class="paramname"> <em>_dec</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">int&nbsp;</td>
          <td class="paramname"> <em>_req</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">void *&nbsp;</td>
          <td class="paramname"> <em>_buf</em>, </td>
        </tr>
        <tr>
          <td class=