71 lines
2.8 KiB
C
71 lines
2.8 KiB
C
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/*****************************************************************************
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* *
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* FILEOFF.H *
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* *
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* Copyright (C) Microsoft Corporation 1995. *
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* All Rights reserved. *
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* *
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******************************************************************************
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* *
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* Module Intent *
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* *
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* File Offset data type to replace using LONG for file offsets to handle *
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* files larger than 4 gigs in size. *
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* *
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******************************************************************************
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* *
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* Current Owner: davej *
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*****************************************************************************/
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/*****************************************************************************
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*
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* Created 07/28/95 - davej
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*
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*****************************************************************************/
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifndef __FILEOFF_H__
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#define __FILEOFF_H__
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#pragma pack(1)
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typedef struct _fileoffset_t
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{
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DWORD dwOffset;
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DWORD dwHigh;
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} FILEOFFSET;
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#pragma pack()
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#endif // __FILEOFF_H__
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// Advance byte pointer past address (pointer must be at start of address)
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#define ADVANCE_FO(sz) {while ((*(sz))&0x80) (sz)++; (sz)++;}
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extern FILEOFFSET foNil;
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extern FILEOFFSET foMax;
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extern FILEOFFSET foMin;
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extern FILEOFFSET foInvalid;
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FILEOFFSET PASCAL FAR EXPORT_API MakeFo(DWORD, DWORD);
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FILEOFFSET PASCAL FAR EXPORT_API FoFromSz(LPBYTE);
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WORD PASCAL FAR EXPORT_API FoToSz(FILEOFFSET, LPBYTE);
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WORD PASCAL FAR EXPORT_API LenSzFo(LPBYTE);
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FILEOFFSET FAR EXPORT_API FoAddFo(FILEOFFSET, FILEOFFSET);
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FILEOFFSET FAR EXPORT_API FoSubFo(FILEOFFSET, FILEOFFSET);
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FILEOFFSET FAR EXPORT_API FoAddDw(FILEOFFSET, DWORD);
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DWORD FAR EXPORT_API DwSubFo(FILEOFFSET, FILEOFFSET);
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BOOL PASCAL FAR EXPORT_API FoIsNil(FILEOFFSET);
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BOOL PASCAL FAR EXPORT_API FoEquals(FILEOFFSET, FILEOFFSET);
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FILEOFFSET FAR EXPORT_API FoMultFo(FILEOFFSET fo1, FILEOFFSET fo2);
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FILEOFFSET PASCAL FAR EXPORT_API FoMultDw(DWORD dw1, DWORD dw2);
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short int PASCAL FAR EXPORT_API FoCompare(FILEOFFSET, FILEOFFSET);
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#ifdef __cplusplus
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}
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#endif
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