79 lines
2.0 KiB
C
79 lines
2.0 KiB
C
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/***
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*dos.h - definitions for MS-DOS interface routines
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*
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* Copyright (c) Microsoft Corporation. All rights reserved.
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*
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*Purpose:
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* Defines the structs and unions used for the direct DOS interface
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* routines; includes macros to access the segment and offset
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* values of far pointers, so that they may be used by the routines; and
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* provides function prototypes for direct DOS interface functions.
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*
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* [Public]
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*
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****/
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#pragma once
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#ifndef _INC_DOS
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#define _INC_DOS
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#include <crtdefs.h>
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/*
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* Currently, all MS C compilers for Win32 platforms default to 8 byte
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* alignment.
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*/
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#pragma pack(push,_CRT_PACKING)
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#ifdef __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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#ifndef _DISKFREE_T_DEFINED
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/* _getdiskfree structure (duplicated in DIRECT.H) */
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struct _diskfree_t {
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unsigned total_clusters;
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unsigned avail_clusters;
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unsigned sectors_per_cluster;
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unsigned bytes_per_sector;
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};
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#define _DISKFREE_T_DEFINED
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#endif /* _DISKFREE_T_DEFINED */
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/* File attribute constants */
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#define _A_NORMAL 0x00 /* Normal file - No read/write restrictions */
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#define _A_RDONLY 0x01 /* Read only file */
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#define _A_HIDDEN 0x02 /* Hidden file */
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#define _A_SYSTEM 0x04 /* System file */
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#define _A_SUBDIR 0x10 /* Subdirectory */
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#define _A_ARCH 0x20 /* Archive file */
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#ifdef _CRT_USE_WINAPI_FAMILY_DESKTOP_APP
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/* Function prototypes */
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#ifndef _GETDISKFREE_DEFINED
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_Check_return_ _CRTIMP unsigned __cdecl _getdiskfree(_In_ unsigned _Drive, _Out_ struct _diskfree_t * _DiskFree);
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#define _GETDISKFREE_DEFINED
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#endif /* _GETDISKFREE_DEFINED */
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#endif /* _CRT_USE_WINAPI_FAMILY_DESKTOP_APP */
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#ifdef _M_IX86
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void __cdecl _disable(void);
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void __cdecl _enable(void);
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#endif /* _M_IX86 */
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#if !__STDC__
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/* Non-ANSI name for compatibility */
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#define diskfree_t _diskfree_t
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#endif /* !__STDC__ */
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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#pragma pack(pop)
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#endif /* _INC_DOS */
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