nce so we</span>
    <span class="comment">// use a local variable, since temporaries can only bind to const refs.</span>
    <span class="identifier">p</span><span class="special">.</span><span class="identifier">on_chunk_header</span><span class="special">(</span><span class="identifier">header_cb</span><span class="special">);</span>

    <span class="comment">// Declare the chunk body callback. This is called one or</span>
    <span class="comment">// more times for each piece of a chunk body.</span>
  