unknown.h

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/*
 * unknown.h
 *
 * Contributors:
 *   Created by Magnus Olsen
 *
 * THIS SOFTWARE IS NOT COPYRIGHTED
 *
 * This source code is offered for use in the public domain. You may
 * use, modify or distribute it freely.
 *
 * This code is distributed in the hope that it will be useful but
 * WITHOUT ANY WARRANTY. ALL WARRANTIES, EXPRESS OR IMPLIED ARE HEREBY
 * DISCLAIMED. This includes but is not limited to warranties of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 *
 */
 
#ifndef _UNKNOWN_H_
#define _UNKNOWN_H_
 
#ifdef __cplusplus
extern "C" {
#include <wdm.h>
}
#else
#include <wdm.h>
#endif
 
#include <windef.h>
#define COM_NO_WINDOWS_H
#include <basetyps.h>
#ifdef PUT_GUIDS_HERE
#include <initguid.h>
#endif
 
DEFINE_GUID(IID_IUnknown, 0x00000000, 0x0000, 0x0000, 0xC0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x46);
#if defined(__cplusplus) && _MSC_VER >= 1100
    struct __declspec(uuid("00000000-0000-0000-C000-000000000046")) IUnknown;
#endif
 
#undef INTERFACE
#define INTERFACE IUnknown
DECLARE_INTERFACE(IUnknown)
{
    STDMETHOD(QueryInterface)
    (   THIS_
        IN      REFIID,
        OUT     PVOID *
    )   PURE;
 
    STDMETHOD_(ULONG,AddRef)
    (   THIS
    )   PURE;
 
    STDMETHOD_(ULONG,Release)
    (   THIS
    )   PURE;
};
#undef INTERFACE
 
typedef IUnknown *PUNKNOWN;
typedef
HRESULT
(NTAPI *PFNCREATEINSTANCE)
(
  OUT PUNKNOWN *  Unknown,
  IN  REFCLSID    ClassId,
  IN  PUNKNOWN    OuterUnknown,
  IN  POOL_TYPE   PoolType
);
 
#endif /* _UNKNOWN_H_ */