--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Symbian3/SDK/Source/GUID-27AAD3D5-AEC0-5A33-B14A-2E8B8D21CDAA.dita	Thu Jan 21 18:18:20 2010 +0000
@@ -0,0 +1,28 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (c) 2007-2010 Nokia Corporation and/or its subsidiary(-ies) All rights reserved. -->
+<!-- This component and the accompanying materials are made available under the terms of the License 
+"Eclipse Public License v1.0" which accompanies this distribution, 
+and is available at the URL "http://www.eclipse.org/legal/epl-v10.html". -->
+<!-- Initial Contributors:
+    Nokia Corporation - initial contribution.
+Contributors: 
+-->
+<!DOCTYPE concept
+  PUBLIC "-//OASIS//DTD DITA Concept//EN" "concept.dtd">
+<concept id="GUID-27AAD3D5-AEC0-5A33-B14A-2E8B8D21CDAA" xml:lang="en"><title>How
+to use the trailing-C naming convention</title><shortdesc>This document describes how functions named with a trailing C are
+handled on the stack.</shortdesc><prolog><metadata><keywords/></metadata></prolog><conbody>
+<p>The case of allocating an object and pushing it to the cleanup stack is
+sufficiently common that allocation functions are often coded to do both in
+a single operation. For example, there is a <codeph>User::AllocLC()</codeph> whose
+semantics are to call <codeph>User::Alloc()</codeph> to allocate the memory,
+leave if the allocation failed, and push to the cleanup stack if it succeeded.</p>
+<p>The trailing <codeph>C</codeph> indicates that the item is pushed to the
+cleanup stack if successfully allocated: the resulting function can be referred
+to as a <keyword>C function</keyword>: in the great majority of cases, C functions
+are also <keyword>L functions</keyword>. Any function which calls <codeph>User::AllocLC()</codeph> to
+allocate a buffer should also use this naming convention. </p>
+<p>The function that calls a -<codeph>C</codeph> function must pop (and destroy,
+if the -<codeph>C</codeph> function allocated an object) the object from the
+stack when its use is complete.</p>
+</conbody></concept>
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