OLE(Object Linking and Embedding)?

#ifndef IMALLOC_H
#define IMALLOC_H
 
/*==================================================================
    IMALLOC.H
    C Interface to private allocator
======================================================================*/
#define EXPORT extern "C" __declspec(dllexport)
 
EXPORT LPMALLOC CreateAllocator();
 
//----------------------------------------------
//Implementation of allocator interface
//------------------------------------------------------------------------
#undef INTERFACE 
#define INTERFACE DAlloc 
 
DECLARE_INTERFACE_(DAlloc, IMalloc)
{
    // *** IUnknown methods ***
    STDMETHOD(QueryInterface)(THIS_ REFIID riid, LPVOID * ppv);
    STDMETHOD_(ULONG, AddRef)(THIS);
    STDMETHOD_(ULONG, Release)(THIS);
 
    // *** IMalloc methods ***
    STDMETHOD_(void*, Alloc)(THIS_ ULONG cb);
    STDMETHOD_(void*, Realloc)(THIS_ void* pv, ULONG cb);
    STDMETHOD_(void, Free)(THIS_ void* pv);
    STDMETHOD_(size_t, GetSize)(THIS_ void* pv);
    STDMETHOD_(int, DidAlloc)(THIS_ void* pv);
    STDMETHOD_(void, HeapMinimize)(THIS);
 
#ifndef CINTERFACE 
public:
    DAlloc();
    ~DAlloc();
    BOOL Initialize();
 
private:
    ULONG RefCount;
    HANDLE hHeap;
#endif
 
};
 
 
#endif