/*++

Copyright (c) 1997-1999  Microsoft Corporation

Module Name:

    p64_nt4.h

Abstract:

    P64 Type Definitions for NT4. (This header file is
    used so our NT5 source tree can be compiled for NT4.)

Revision History:

    04/21/98 -fengy-
        Created it.

--*/

#ifndef _P64_NT4_H_
#define _P64_NT4_H_

#ifdef __cplusplus
extern "C" {
#endif

//
// The LONG_PTR is guaranteed to be the same size as a pointer.  Its
// size with change with pointer size (32/64).  It should be used
// anywhere that a pointer is cast to an integer type. ULONG_PTR is
// the unsigned variation.
//

typedef long LONG_PTR, *PLONG_PTR;
typedef unsigned long ULONG_PTR, *PULONG_PTR;

#ifndef _BASETSD_H_

//
// This is to resolve the typedef conflict with VC++ 6's basetsd.h,
// which uses "typedef long INT_PTR, *PINT_PTR;".
//

typedef int INT_PTR, *PINT_PTR;

#endif // _BASETSD_H_

#define HandleToUlong( h ) ((ULONG)(ULONG_PTR)(h) )
#define PtrToUlong( p ) ((ULONG)(ULONG_PTR) (p) )
#define PtrToLong( p )  ((LONG)(LONG_PTR) (p) )
#define PtrToUshort( p ) ((unsigned short)(ULONG_PTR)(p) )
#define PtrToShort( p )  ((short)(LONG_PTR)(p) )
#define IntToPtr( i )    ((VOID *)(INT_PTR)((int)i))
#define ULongToPtr( ul ) ((VOID *)(ULONG_PTR)((unsigned long)ul))

#define GWLP_USERDATA       GWL_USERDATA
#define DWLP_USER           DWL_USER
#define SetWindowLongPtr    SetWindowLong
#define GetWindowLongPtr    GetWindowLong

#ifdef __cplusplus
}
#endif

#endif // _P64_NT4_H_