?? cleanup.htm
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<div class="ref_head"> UDT Reference: Functions</div>
<h4 class="func_name"><strong>cleanup</strong></h4>
<p>The <b>cleanup</b> method releases the UDT library from your application.</p>
<div class="code">int cleanup(<br />
);</div>
<h5>Parameters</h5>
<dl>
<dt><i>None.</i></dt>
</dl>
<h5>Return Value</h5>
<p>If success, 0 is returned; otherwise, UDT::ERROR is returned and specific error information can be retrieved by <a href="error.htm">getlasterror</a>. </p>
<p>In the current version, this method always succeed. </p>
<h5>Description</h5>
<p>The <strong>cleanup</strong> method releases the UDT library. All the remaining open connections will be closed. The background garbage collection is closed. However, this method will do nothing if no <a href="startup.htm"><strong>startup</strong></a> was ever called, or this is a repeated <strong>cleanup</strong> call. </p>
<p>The method must be called before the application exits, or before the UDT DLL is released, otherwise memory leak could happen. </p>
<h5>See Also</h5>
<p><strong><a href="startup.htm">startup</a></strong></p>
<p> </p>
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