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13
14<h1>DVDGetUserData</h1>
15
16<h2>Syntax</h2>
17<dl><dd><pre class="construction">
18#include &lt;revolution/dvd.h&gt;
19
20void* DVDGetUserData(DVDCommandBlock* block);
21</pre></dd></dl>
22
23<h2>Arguments</h2>
24<TABLE class="arguments" border="1" >
25  <tr>
26<TH>block</TH>
27<TD>Command block.</TD>
28    </tr>
29</TABLE>
30
31<h2>Return Values</h2>
32<P>User data.</P>
33
34<H2>Description</H2>
35<P>The <CODE>DVDGetUserData</CODE> function is a macro that obtains user data in <SPAN class="argument">block</SPAN>. You must set the user data in advance using the <A href="DVDSetUserData.html"><CODE>DVDSetUserData</CODE></A> function; if you do not, the <CODE>DVDGetUserData</CODE> function will return an unknown value.</P>
36
37<h2>See Also</h2>
38<p class="reference">
39<a href="DVDSetUserData.html">DVDSetUserData</a>
40</p>
41
42<H2>Revision History</H2>
43<P>
442006/03/01 Initial version. <BR>
45</P>
46
47<hr><p>CONFIDENTIAL</p></body>
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