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21<H1>MEMGetGroupIDForExpHeap</H1>
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24<H2>C Specification</H2>
25<PRE class="construction">#include &lt;revolution/mem.h&gt;
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27u16 MEMGetGroupIDForExpHeap( MEMHeapHandle heap );</PRE>
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30<H2>Arguments</H2>
31<TABLE border="1">
32<TR>
33	<TD><STRONG><EM><CODE>heap</CODE></EM></STRONG></TD>
34	<TD>Expanded heap handle.</TD>
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36  </TABLE>
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39<H2>Return Values</H2>
40<P>Returns the current group ID value.</P>
41<H2>Description</H2>
42<P>This function gets the group ID of the expanded heap.</P>
43<P>The memory blocks allocated from the extended heap each have their own group ID, and this value carries over to the group ID value set in the heap when the memory block is allocated.</P>
44<P>The group ID becomes zero upon heap creation.</P>
45<H2>See Also</H2>
46<P class="reference"><A href="MEMSetGroupIDForExpHeap.html"><CODE>MEMSetGroupIDForExpHeap</CODE></A></P>
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49<H2>Revision History</H2>
50<P>03/01/2006 Initial version.</P>
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