257 lines
9.2 KiB
C++
257 lines
9.2 KiB
C++
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/*
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** Command & Conquer Red Alert(tm)
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** Copyright 2025 Electronic Arts Inc.
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**
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** This program is free software: you can redistribute it and/or modify
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** it under the terms of the GNU General Public License as published by
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** the Free Software Foundation, either version 3 of the License, or
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** (at your option) any later version.
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**
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** This program is distributed in the hope that it will be useful,
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** but WITHOUT ANY WARRANTY; without even the implied warranty of
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** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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** GNU General Public License for more details.
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**
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** You should have received a copy of the GNU General Public License
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** along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/***************************************************************************
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** C O N F I D E N T I A L --- W E S T W O O D A S S O C I A T E S **
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***************************************************************************
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* *
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* Project Name : Library - Filio header stuff. *
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* *
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* File Name : FILE.H *
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* *
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* Programmer : Scott K. Bowen *
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* *
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* Start Date : September 13, 1993 *
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* *
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* Last Update : April 11, 1994 *
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* *
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*-------------------------------------------------------------------------*
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* Functions: *
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* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
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#ifndef FILE_H
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#define FILE_H
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#ifndef FILETEMP_H
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// This should be removed once the library is all intacked.
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#include "filetemp.h"
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#endif
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/*=========================================================================*/
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/* File IO system defines and enumerations */
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/*=========================================================================*/
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#define XMAXPATH 80
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/*
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** These are the Open_File, Read_File, and Seek_File constants.
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*/
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#define READ 1 // Read access.
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#define WRITE 2 // Write access.
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#ifndef SEEK_SET
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#define SEEK_SET 0 // Seek from start of file.
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#define SEEK_CUR 1 // Seek relative from current location.
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#define SEEK_END 2 // Seek from end of file.
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#endif
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typedef enum {
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FILEB_PROCESSED=8,// Was the packed file header of this file processed?
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FILEB_PRELOAD, // Scan for and make file resident at WWDOS_Init time?
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FILEB_RESIDENT, // Make resident at Open_File time?
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FILEB_FLUSH, // Un-resident at Close_File time?
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FILEB_PACKED, // Is this file packed?
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FILEB_KEEP, // Don't ever flush this resident file?
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FILEB_PRIORITY, // Flush this file last?
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FILEB_LAST
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} FileFlags_Type;
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#define FILEF_NONE 0
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#define FILEF_PROCESSED (1<<FILEB_PROCESSED)
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#define FILEF_PRELOAD (1<<FILEB_PRELOAD)
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#define FILEF_RESIDENT (1<<FILEB_RESIDENT)
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#define FILEF_FLUSH (1<<FILEB_FLUSH)
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#define FILEF_PACKED (1<<FILEB_PACKED)
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#define FILEF_KEEP (1<<FILEB_KEEP)
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#define FILEF_PRIORITY (1<<FILEB_PRIORITY)
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/*
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** These errors are returned by WWDOS_Init(). All errors encountered are
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** or'd together so there may be more then one error returned. Not all
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** errors are fatal, such as the cache errors.
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*/
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typedef enum {
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FI_SUCCESS = 0x00,
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FI_CACHE_TOO_BIG = 0x01,
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FI_CACHE_ALREADY_INIT = 0x02,
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FI_FILEDATA_FILE_NOT_FOUND = 0x04,
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FI_FILEDATA_TOO_BIG = 0x08,
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FI_SEARCH_PATH_NOT_FOUND = 0x10,
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FI_STARTUP_PATH_NOT_FOUND = 0x20,
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FI_NO_CACHE_FOR_PRELOAD = 0x40,
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FI_FILETABLE_NOT_INIT = 0x80,
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} FileInitErrorType;
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/*
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** These are the errors that are detected by the File I/O system and
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** passed to the io error routine.
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*/
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//lint -strong(AJX,FileErrorType)
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typedef enum {
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CANT_CREATE_FILE,
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BAD_OPEN_MODE,
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COULD_NOT_OPEN,
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TOO_MANY_FILES,
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CLOSING_NON_HANDLE,
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READING_NON_HANDLE,
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WRITING_NON_HANDLE,
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SEEKING_NON_HANDLE,
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SEEKING_BAD_OFFSET,
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WRITING_RESIDENT,
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UNKNOWN_INDEX,
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DID_NOT_CLOSE,
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FATAL_ERROR,
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FILE_NOT_LISTED,
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FILE_LENGTH_MISMATCH,
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INTERNAL_ERROR,
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MAKE_RESIDENT_ZERO_SIZE,
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RESIDENT_SORT_FAILURE,
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NUMBER_OF_ERRORS /* MAKE SURE THIS IS THE LAST ENTRY */
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} FileErrorType;
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// This is here tempararaly until library is put together.
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//extern WORD cdecl (*cdecl IO_Error)(FileErrorType error, BYTE const *filename);
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extern short (*Open_Error)(FileErrorType, BYTE const *);
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/*=========================================================================*/
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/* File IO system structures */
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/*=========================================================================*/
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//lint -strong(AJX,FileDataType)
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typedef struct {
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char *Name; // File name (include sub-directory but not volume).
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long Size; // File size (0=indeterminate).
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void *Ptr; // Resident file pointer.
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long Start; // Starting offset in DOS handle file.
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unsigned char Disk; // Disk number location.
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unsigned char OpenCount; // Count of open locks on resident file.
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unsigned short Flag; // File control flags.
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} FileDataType;
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/*=========================================================================*/
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/* FIle IO system globals. */
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/*=========================================================================*/
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// These are cpp errors in funtions declarations JULIO JEREZ
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// extern FileDataType cdecl FileData[];
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// extern BYTE cdecl ExecPath[XMAXPATH + 1];
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// extern BYTE cdecl DataPath[XMAXPATH + 1];
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// extern BYTE cdecl StartPath[XMAXPATH + 1];
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// extern BOOL cdecl UseCD;
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// The correct syntax is NO TYPE MODIFIER APPLY TO DATA DECLARATIONS
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extern FileDataType FileData[];
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extern char ExecPath[XMAXPATH + 1];
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extern char DataPath[XMAXPATH + 1];
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extern char StartPath[XMAXPATH + 1];
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extern BOOL UseCD;
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/*=========================================================================*/
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/* The following prototypes are for the file: FILEINIT.CPP */
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/*=========================================================================*/
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void cdecl WWDOS_Shutdown(void);
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FileInitErrorType cdecl WWDOS_Init(unsigned long cachesize, char *filedata, char *cdpath);
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/*=========================================================================*/
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/* The following prototypes are for the file: FILE.CPP */
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/*=========================================================================*/
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short cdecl Open_File(char const *file_name, short mode);
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void cdecl Close_File(short handle);
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LONG cdecl Read_File(short handle, void *buf, unsigned long bytes);
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LONG cdecl Write_File(short handle, void const *buf, unsigned long bytes);
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unsigned long cdecl Seek_File(short handle, LONG offset, short starting);
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short cdecl File_Exists(char const *file_name);
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unsigned long cdecl File_Size(short handle);
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BOOL cdecl Is_Handle_Valid(short handle, FileErrorType error, char const *name);
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short cdecl Open_File_With_Recovery( char const *file_name, unsigned short mode );
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/*=========================================================================*/
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/* The following prototypes are for the file: FILECACH.CPP */
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/*=========================================================================*/
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void Unfragment_File_Cache(void);
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BOOL cdecl Make_File_Resident(char const *filename);
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short cdecl Flush_Unused_File_Cache(short flush_keeps);
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BOOL cdecl Free_Resident_File(char const *file);
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/*=========================================================================*/
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/* The following prototypes are for the file: FILECHNG.CPP */
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/*=========================================================================*/
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short cdecl Create_File(char const *file_name);
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short cdecl Delete_File(char const *file_name);
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BOOL cdecl Change_File_Size(short handle, unsigned long new_size);
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/*=========================================================================*/
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/* The following prototypes are for the file: FILEINFO.CPP */
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/*=========================================================================*/
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short cdecl Get_DOS_Handle(short fh);
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short cdecl Free_Handles(void);
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short cdecl Find_Disk_Number(char const *file_name);
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short cdecl Set_File_Flags(char const *filename, short flags);
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short cdecl Clear_File_Flags(char const *filename, short flags);
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short cdecl Get_File_Flags(char const *filename);
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BOOL cdecl Multi_Drive_Search(BOOL on);
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/*=========================================================================*/
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/* The following prototypes are for the file: FINDFILE.CPP */
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/*=========================================================================*/
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short cdecl Find_File(char const *file_name);
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short cdecl Find_File_Index(char const *filename);
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/*=========================================================================*/
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/* The following prototypes are for the file: FFIRST.ASM */
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/*=========================================================================*/
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#include <dos.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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extern short Find_First(unsigned char *fname, unsigned short mode, struct find_t *ffblk);
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extern short Find_Next(struct find_t *ffblk);
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#ifdef __cplusplus
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}
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#endif
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#endif // FILE_H
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