the <tt>paddingData</tt> component of the
        record.<p>

    <li><tt>contentData</tt>:

        Between 0 and 65535 bytes of data, interpreted
        according to the record type.<p>

    <li><tt>paddingData</tt>:

        Between 0 and 255 bytes of data, which are ignored.<p>
</ul>

We use a relaxed C <tt>struct</tt> initializer syntax to specify
constant FastCGI records.  We omit the <tt>version</tt> component,
ignore padding, and treat
<tt>requestId</tt> as a number.  Thus <tt>{FCGI_END_REQUEST, 1,