 <p>
                  These helper functions are used to construct a chunk or last chunk
                  directly at call sites.
                </p>
              </td>
</tr>
</tbody>
</table></div>
</div>
<br class="table-break"><p>
        We demonstrate the use of these objects first by declaring a function which
        returns the next buffer sequence to use as a chunk body:
      </p>
<pre class="programlisting"><span class="comment">// This function returns the buffer containing the next chunk bo