ngth of the input buffer.</p>
</td></tr>
</table>

<h4>output</h4>
<table class="fields">
<tr><td class="val" id="output">output</td><td class="desc">
<p>The output buffer.</p>
</td></tr>
</table>

<h4>inout</h4>
<table class="fields">
<tr><td class="val" id="output_len">output_len</td><td class="desc">
<p>Before calling the function, this is the total size of the output buffer, which must be large enough to hold the entire uncompressed data (so the size of the uncompressed data must be known in advance). A