diff -r 000000000000 -r bde4ae8d615e os/ossrv/genericopenlibs/cstdlib/INC/ENVIRON.H
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/os/ossrv/genericopenlibs/cstdlib/INC/ENVIRON.H	Fri Jun 15 03:10:57 2012 +0200
@@ -0,0 +1,64 @@
+// Copyright (c) 1998-2009 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:
+// Abstraction for "an environment" holding pairs of C strings (name, value)
+// 
+//
+
+#include <e32std.h>
+#include <e32base.h>
+#include <stddef.h> //for wchar_t
+
+class CEnvironment;
+class TEnvVar
+/**
+@internalComponent
+*/
+	{
+	friend class CEnvironment;	// who manages my storage
+public:
+	void Release();
+	void ConstructL(const TDesC16& aName, const wchar_t* aValue);
+	TInt SetValue(const wchar_t* aValue);
+	HBufC16* Match(const TDesC16& aName);
+	TUint Length() const;
+	const TInt NotEmpty() const { return (TInt)iValue; };
+	static TInt Externalize(const wchar_t* aPair, TDes16& aBuffer);
+	TInt Externalize(TDes16& aBuffer);
+	void ConstructL(const TText16*& aPtr);
+private:
+	static TPtrC16 ValuePtr(const wchar_t* aValue);
+	HBufC16* iName;
+	HBufC16* iValue;		// data is zero terminated
+	};
+
+NONSHARABLE_CLASS(CEnvironment) : public CBase
+/**
+@internalComponent
+*/
+	{
+public:
+	CEnvironment() {};
+	~CEnvironment();
+
+	wchar_t* getenv(const wchar_t* aName) const;
+	int setenv(const wchar_t* aName, const wchar_t* aValue, int aReplace, int& anErrno);
+	void unsetenv(const wchar_t* aName);
+
+	void ConstructL(TUint aCount, TDes16& aBuffer);
+	HBufC16* ExternalizeLC(TUint& aCount);
+	HBufC16* ExternalizeLC(TUint& aCount, wchar_t** envp);
+private:
+	TUint iCount;
+	TEnvVar* iVars;
+	};