r">BipBuffer</span></a><span class="Other">)</span><span class="Other">:</span> <span class="Identifier">int</span></pre></dt>
<dd>
<p>Returns number of commited elements</p>
<p>This approximates the size of the buffer that will be returned on <cite>read()</cite></p>


</dd>
<a id="clear,BipBuffer"></a>
<dt><pre><span class="Keyword">proc</span> <span class="Identifier">clear</span><span class="Other">(</span><span class="Identifier">x</span><span class="Other">:</span> <span class="Keyword">var</span> <a h