--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/networkprotocols/tcpipv4v6prt/inc/addr46.h	Tue Jan 26 15:23:49 2010 +0200
@@ -0,0 +1,48 @@
+// Copyright (c) 2004-2009 Nokia Corporation and/or its subsidiary(-ies).
+// All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of "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:
+//
+// Description:
+// addr46.h - an extention to TIp6Addr
+//
+
+
+
+/**
+ @internalComponent
+*/
+#ifndef __addr46_H__
+#define __addr46_H__
+
+#include <in_sock.h>
+
+//
+// TIp46Addr
+// *********
+// Provides some additional methods for handling
+// both real IPv6 addresses and mangled IPv4 addresses
+// in somewhat uniform way.
+//
+class TIp46Addr : public TIp6Addr
+	{
+public:
+	inline TIp46Addr() {}	// inline to make declaring variable short in code
+	TIp46Addr(const TUint32 aAddr);
+	TIp46Addr(const TInetAddr &aAddr);
+	inline static const TIp46Addr &Cast(const TIp6Addr &aAddr) { return *((TIp46Addr *)&aAddr); }
+	inline static const TIp46Addr &Cast(const TIp6Addr *aAddr) { return *((TIp46Addr *)aAddr); }
+
+	TBool IsMulticast() const;	// Return TRUE if address is IPv4 or IPv6 multicast
+	TBool IsLinkLocal() const;	// Return TRUE if address is IPv4 or IPv6 linklocal
+	TBool IsUnspecified() const;// Return TRUE if address is :: or ::ffff:0.0.0.0
+	};
+
+#endif