/***
*dos.h - definitions for MS-DOS interface routines
*
* Copyright (c) 1985-2001, Microsoft Corporation. All rights reserved.
*
*Purpose:
* Defines the structs and unions used for the direct DOS interface
* routines; includes macros to access the segment and offset
* values of far pointers, so that they may be used by the routines; and
* provides function prototypes for direct DOS interface functions.
*
* [Public]
*
*Revision History:
* 06-11-87 JCR Added find_t
* 06-15-87 JCR Added O_NOINHERIT
* 06-18-87 JCR Added some DOS function prototypes
* 06-19-87 JCR Moved O_NOINHERIT to fcntl.h
* 06-25-87 JMB Added _HARDERR_* constants
* 06-25-87 SKS Added diskfree_t, dosdate_t, dostime_t structures
* 06-25-87 JCR Added _A_NORMAL, etc. constants
* 07-17-87 JCR Added _chain_intr, also the "interrupt" type to
* _dos_setvec and _dos_getvec.
* 07-27-87 SKS Added several _dos_*() functions, _disable()/_enable()
* 08-17-87 PHG Fixed bad prototype for _dos_getdiskfree()
* 10-08-87 JCR Added _CDECL to prototypes with "interrupt" declaration
* (needed for compiling with -Gc switch).
* 09-27-88 JCR 386 version
* 10-03-88 GJF Use M_I386, not I386
* 05-03-89 JCR Added _INTERNAL_IFSTRIP for relinc usage
* 07-25-89 GJF Major cleanup. Alignment of struct fields is now
* protected by pack pragmas. Now specific to 386.
* 10-30-89 GJF Fixed copyright
* 11-02-89 JCR Changed "DLL" to "_DLL"
* 02-28-90 GJF Added #ifndef _INC_DOS and #include <cruntime.h>
* stuff. Also, removed some (now) useless preprocessor
* directives.
* 03-22-90 GJF Replaced _cdecl with _CALLTYPE1 in prototype and with
* _VARTYPE1 in variable declaration.
* 12-28-90 SRW Added _CRUISER_ conditional around pack pragmas
* 01-23-91 GJF Removed segread() prototype.
* 04-04-91 GJF Added version info variables (_WIN32_).
* 08-20-91 JCR C++ and ANSI naming
* 08-26-91 BWM Added _peek, poke, and _getvideoaddr (_DOSX32_).
* 08-26-91 BWM Removed _harderr constants, replaced by _seterrormode.
* 08-26-91 BWM Removed datetime prototypes, replaced by systime functions.
* 09-05-91 JCR Added missing #endif (bug fix), removed obsolete stuff
* 09-16-91 BWM Fixed reversed #ifdef on screen address constants.
* 01-22-92 GJF Fixed up definitions of global variables for build of,
* and users of, crtdll.dll.
* 03-30-92 DJM POSIX support.
* 06-02-92 SKS Fix typo in DLL declaration of _osmajor
* Add declartion of _pgmptr
* 08-07-92 GJF Function calling type and variable type macros.
* 01-21-93 GJF Removed support for C6-386's _cdecl.
* 04-06-93 SKS Replace _CRTAPI1/2 with __cdecl, _CRTVAR1 with nothing
* Remove support for DOSX32, OS/2, etc.
* Remove obsolete vars and vars moved to STDLIB.H
* Remove duplicate references to _osver, etc.
* Remove obsolete functions peek, poke, etc.
* 04-07-93 SKS Add _CRTIMP keyword for CRT DLL model
* 06-15-93 GJF Restored prototypes for _enable, _disable.
* 09-01-93 GJF Merged Cuda and NT SDK versions.
* 11-19-93 CFW Add _wpgmptr.
* 11-03-94 GJF Ensure 8 byte alignment.
* 12-15-94 XY merged with mac header
* 02-11-95 CFW Add _CRTBLD to avoid users getting wrong headers.
* 02-14-95 CFW Clean up Mac merge.
* 12-14-95 JWM Add "#pragma once".
* 01-23-97 GJF Cleaned out obsolete support for _NTSDK and _CRTAPI*.
* Also, detab-ed.
* 09-30-97 JWM Restored not-so-obsolete _CRTAPI1 support.
* 10-07-97 RDL Added IA64.
* 05-13-99 PML Remove _CRTAPI1
* 05-17-99 PML Remove all Macintosh support.
*
****/
#if _MSC_VER > 1000 /*IFSTRIP=IGN*/
#pragma once
#endif
#ifndef _INC_DOS
#define _INC_DOS
#if !defined(_WIN32)
#error ERROR: Only Win32 target supported!
#endif
#ifndef _CRTBLD
/* This version of the header files is NOT for user programs.
* It is intended for use when building the C runtimes ONLY.
* The version intended for public use will not have this message.
*/
#error ERROR: Use of C runtime library internal header file.
#endif /* _CRTBLD */
#ifdef _MSC_VER
/*
* Currently, all MS C compilers for Win32 platforms default to 8 byte
* alignment.
*/
#pragma pack(push,8)
#endif /* _MSC_VER */
#ifdef __cplusplus
extern "C" {
#endif
#ifndef _INTERNAL_IFSTRIP_
#include <cruntime.h>
#endif /* _INTERNAL_IFSTRIP_ */
/* Define _CRTIMP */
#ifndef _CRTIMP
#ifdef CRTDLL
#define _CRTIMP __declspec(dllexport)
#else /* ndef CRTDLL */
#ifdef _DLL
#define _CRTIMP __declspec(dllimport)
#else /* ndef _DLL */
#define _CRTIMP
#endif /* _DLL */
#endif /* CRTDLL */
#endif /* _CRTIMP */
/* Define __cdecl for non-Microsoft compilers */
#if ( !defined(_MSC_VER) && !defined(__cdecl) )
#define __cdecl
#endif
#ifndef _WCHAR_T_DEFINED
typedef unsigned short wchar_t;
#define _WCHAR_T_DEFINED
#endif
#ifndef _DISKFREE_T_DEFINED
/* _getdiskfree structure (duplicated in DIRECT.H) */
struct _diskfree_t {
unsigned total_clusters;
unsigned avail_clusters;
unsigned sectors_per_cluster;
unsigned bytes_per_sector;
};
#define _DISKFREE_T_DEFINED
#endif
/* File attribute constants */
#define _A_NORMAL 0x00 /* Normal file - No read/write restrictions */
#define _A_RDONLY 0x01 /* Read only file */
#define _A_HIDDEN 0x02 /* Hidden file */
#define _A_SYSTEM 0x04 /* System file */
#define _A_SUBDIR 0x10 /* Subdirectory */
#define _A_ARCH 0x20 /* Archive file */
/* Function prototypes */
_CRTIMP unsigned __cdecl _getdiskfree(unsigned, struct _diskfree_t *);
#ifdef _M_IX86
void __cdecl _disable(void);
void __cdecl _enable(void);
#endif /* _M_IX86 */
#if !__STDC__
/* Non-ANSI name for compatibility */
#define diskfree_t _diskfree_t
#endif /* __STDC__ */
#ifdef __cplusplus
}
#endif
#ifdef _MSC_VER
#pragma pack(pop)
#endif /* _MSC_VER */
#endif /* _INC_DOS */