#define FAR
#define PURE

#define PASCAL __stdcall
#define WINAPI __stdcall
#define CALLBACK __stdcall

#define DECLARE_INTERFACE_(s, b)    \
struct s ## Vtbl;                   \
struct s                            \
{                                   \
    s ## Vtbl * lpVtbl;             \
};                                  \
struct s ## Vtbl

#define STDMETHOD_(type,method) type (WINAPI * method)
#define STDMETHOD(method)       STDMETHOD_(HRESULT, method)

#define THIS INTERFACE*
#define THIS_ THIS,

typedef IID*    REFIID;
typedef GUID*   REFGUID;
typedef CLSID*  REFCLSID;

typedef void    VOID;

#define DEFINE_GUID(name, l, w1, w2, b1, b2, b3, b4, b5, b6, b7, b8) const GUID name = { l, w1, w2, { b1, b2,  b3,  b4,  b5,  b6,  b7,  b8 } }