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文件下载&&解压缩接口
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lvbingru
248
ios/RCTHotUpdate/SSZipArchive/minizip/unzip.h
Executable file
248
ios/RCTHotUpdate/SSZipArchive/minizip/unzip.h
Executable file
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/* unzip.h -- IO for uncompress .zip files using zlib
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Version 1.1, February 14h, 2010
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part of the MiniZip project
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Copyright (C) 1998-2010 Gilles Vollant
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http://www.winimage.com/zLibDll/minizip.html
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Modifications of Unzip for Zip64
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Copyright (C) 2007-2008 Even Rouault
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Modifications for Zip64 support on both zip and unzip
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Copyright (C) 2009-2010 Mathias Svensson
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http://result42.com
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This program is distributed under the terms of the same license as zlib.
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See the accompanying LICENSE file for the full text of the license.
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*/
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#include "Common.h"
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#ifndef _UNZ_H
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#define _UNZ_H
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#define HAVE_AES
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifndef _ZLIB_H
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#include "zlib.h"
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#endif
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#ifndef _ZLIBIOAPI_H
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#include "ioapi.h"
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#endif
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#ifdef HAVE_BZIP2
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#include "bzlib.h"
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#endif
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#define Z_BZIP2ED 12
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#if defined(STRICTUNZIP) || defined(STRICTZIPUNZIP)
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/* like the STRICT of WIN32, we define a pointer that cannot be converted
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from (void*) without cast */
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typedef struct TagunzFile__ { int unused; } unzFile__;
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typedef unzFile__ *unzFile;
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#else
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typedef voidp unzFile;
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#endif
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#define UNZ_OK (0)
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#define UNZ_END_OF_LIST_OF_FILE (-100)
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#define UNZ_ERRNO (Z_ERRNO)
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#define UNZ_EOF (0)
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#define UNZ_PARAMERROR (-102)
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#define UNZ_BADZIPFILE (-103)
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#define UNZ_INTERNALERROR (-104)
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#define UNZ_CRCERROR (-105)
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/***************************************************************************/
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/* Opening and close a zip file */
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extern unzFile ZEXPORT unzOpen OF((const char *path));
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extern unzFile ZEXPORT unzOpen64 OF((const void *path));
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/* Open a Zip file.
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path should contain the full pathname (by example, on a Windows XP computer
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"c:\\zlib\\zlib113.zip" or on an Unix computer "zlib/zlib113.zip".
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return NULL if zipfile cannot be opened or doesn't exist
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return unzFile handle if no error
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NOTE: The "64" function take a const void* pointer, because the path is just the value passed to the
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open64_file_func callback. Under Windows, if UNICODE is defined, using fill_fopen64_filefunc, the path
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is a pointer to a wide unicode string (LPCTSTR is LPCWSTR), so const char* does not describe the reality */
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extern unzFile ZEXPORT unzOpen2 OF((const char *path, zlib_filefunc_def* pzlib_filefunc_def));
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/* Open a Zip file, like unzOpen, but provide a set of file low level API for read/write operations */
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extern unzFile ZEXPORT unzOpen2_64 OF((const void *path, zlib_filefunc64_def* pzlib_filefunc_def));
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/* Open a Zip file, like unz64Open, but provide a set of file low level API for read/write 64-bit operations */
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extern int ZEXPORT unzClose OF((unzFile file));
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/* Close a ZipFile opened with unzipOpen. If there is files inside the .Zip opened with unzOpenCurrentFile,
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these files MUST be closed with unzipCloseCurrentFile before call unzipClose.
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return UNZ_OK if there is no error */
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extern int ZEXPORT unzGetGlobalInfo OF((unzFile file, unz_global_info *pglobal_info));
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extern int ZEXPORT unzGetGlobalInfo64 OF((unzFile file, unz_global_info64 *pglobal_info));
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/* Write info about the ZipFile in the *pglobal_info structure.
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return UNZ_OK if no error */
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extern int ZEXPORT unzGetGlobalComment OF((unzFile file, char *comment, uLong comment_size));
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/* Get the global comment string of the ZipFile, in the comment buffer.
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uSizeBuf is the size of the szComment buffer.
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return the number of byte copied or an error code <0 */
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/***************************************************************************/
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/* Reading the content of the current zipfile, you can open it, read data from it, and close it
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(you can close it before reading all the file) */
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extern int ZEXPORT unzOpenCurrentFile OF((unzFile file));
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/* Open for reading data the current file in the zipfile.
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return UNZ_OK if no error */
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extern int ZEXPORT unzOpenCurrentFilePassword OF((unzFile file, const char* password));
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/* Open for reading data the current file in the zipfile.
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password is a crypting password
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return UNZ_OK if no error */
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extern int ZEXPORT unzOpenCurrentFile2 OF((unzFile file, int* method, int* level, int raw));
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/* Same as unzOpenCurrentFile, but open for read raw the file (not uncompress)
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if raw==1 *method will receive method of compression, *level will receive level of compression
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NOTE: you can set level parameter as NULL (if you did not want known level,
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but you CANNOT set method parameter as NULL */
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extern int ZEXPORT unzOpenCurrentFile3 OF((unzFile file, int* method, int* level, int raw, const char* password));
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/* Same as unzOpenCurrentFile, but takes extra parameter password for encrypted files */
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extern int ZEXPORT unzReadCurrentFile OF((unzFile file, voidp buf, unsigned len));
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/* Read bytes from the current file (opened by unzOpenCurrentFile)
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buf contain buffer where data must be copied
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len the size of buf.
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return the number of byte copied if somes bytes are copied
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return 0 if the end of file was reached
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return <0 with error code if there is an error (UNZ_ERRNO for IO error, or zLib error for uncompress error) */
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extern int ZEXPORT unzGetCurrentFileInfo OF((unzFile file, unz_file_info *pfile_info, char *filename,
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uLong filename_size, void *extrafield, uLong extrafield_size, char *comment, uLong comment_size));
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extern int ZEXPORT unzGetCurrentFileInfo64 OF((unzFile file, unz_file_info64 *pfile_info, char *filename,
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uLong filename_size, void *extrafield, uLong extrafield_size, char *comment, uLong comment_size));
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/* Get Info about the current file
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pfile_info if != NULL, the *pfile_info structure will contain somes info about the current file
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filename if != NULL, the file name string will be copied in filename
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filename_size is the size of the filename buffer
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extrafield if != NULL, the extra field information from the central header will be copied in to
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extrafield_size is the size of the extraField buffer
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comment if != NULL, the comment string of the file will be copied in to
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comment_size is the size of the comment buffer */
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extern ZPOS64_T ZEXPORT unzGetCurrentFileZStreamPos64 OF((unzFile file));
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extern int ZEXPORT unzGetLocalExtrafield OF((unzFile file, voidp buf, unsigned len));
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/* Read extra field from the current file (opened by unzOpenCurrentFile)
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This is the local-header version of the extra field (sometimes, there is
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more info in the local-header version than in the central-header)
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if buf == NULL, it return the size of the local extra field
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if buf != NULL, len is the size of the buffer, the extra header is copied in buf.
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return number of bytes copied in buf, or (if <0) the error code */
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extern int ZEXPORT unzCloseCurrentFile OF((unzFile file));
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/* Close the file in zip opened with unzOpenCurrentFile
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return UNZ_CRCERROR if all the file was read but the CRC is not good */
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/***************************************************************************/
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/* Browse the directory of the zipfile */
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typedef int (*unzFileNameComparer)(unzFile file, const char *filename1, const char *filename2);
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typedef int (*unzIteratorFunction)(unzFile file);
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typedef int (*unzIteratorFunction2)(unzFile file, unz_file_info64 *pfile_info, char *filename,
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uLong filename_size, void *extrafield, uLong extrafield_size, char *comment, uLong comment_size);
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extern int ZEXPORT unzGoToFirstFile OF((unzFile file));
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/* Set the current file of the zipfile to the first file.
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return UNZ_OK if no error */
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extern int ZEXPORT unzGoToFirstFile2 OF((unzFile file, unz_file_info64 *pfile_info, char *filename,
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uLong filename_size, void *extrafield, uLong extrafield_size, char *comment, uLong comment_size));
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/* Set the current file of the zipfile to the first file and retrieves the current info on success.
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Not as seek intensive as unzGoToFirstFile + unzGetCurrentFileInfo.
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return UNZ_OK if no error */
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extern int ZEXPORT unzGoToNextFile OF((unzFile file));
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/* Set the current file of the zipfile to the next file.
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return UNZ_OK if no error
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return UNZ_END_OF_LIST_OF_FILE if the actual file was the latest */
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extern int ZEXPORT unzGoToNextFile2 OF((unzFile file, unz_file_info64 *pfile_info, char *filename,
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uLong filename_size, void *extrafield, uLong extrafield_size, char *comment, uLong comment_size));
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/* Set the current file of the zipfile to the next file and retrieves the current
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info on success. Does less seeking around than unzGotoNextFile + unzGetCurrentFileInfo.
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return UNZ_OK if no error
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return UNZ_END_OF_LIST_OF_FILE if the actual file was the latest */
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extern int ZEXPORT unzLocateFile OF((unzFile file, const char *filename, unzFileNameComparer filename_compare_func));
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/* Try locate the file szFileName in the zipfile. For custom filename comparison pass in comparison function.
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return UNZ_OK if the file is found (it becomes the current file)
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return UNZ_END_OF_LIST_OF_FILE if the file is not found */
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/***************************************************************************/
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/* Raw access to zip file */
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typedef struct unz_file_pos_s
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{
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uLong pos_in_zip_directory; /* offset in zip file directory */
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uLong num_of_file; /* # of file */
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} unz_file_pos;
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extern int ZEXPORT unzGetFilePos OF((unzFile file, unz_file_pos* file_pos));
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extern int ZEXPORT unzGoToFilePos OF((unzFile file, unz_file_pos* file_pos));
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typedef struct unz64_file_pos_s
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{
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ZPOS64_T pos_in_zip_directory; /* offset in zip file directory */
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ZPOS64_T num_of_file; /* # of file */
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} unz64_file_pos;
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extern int ZEXPORT unzGetFilePos64 OF((unzFile file, unz64_file_pos* file_pos));
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extern int ZEXPORT unzGoToFilePos64 OF((unzFile file, const unz64_file_pos* file_pos));
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extern uLong ZEXPORT unzGetOffset OF((unzFile file));
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extern ZPOS64_T ZEXPORT unzGetOffset64 OF((unzFile file));
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/* Get the current file offset */
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extern int ZEXPORT unzSetOffset OF((unzFile file, uLong pos));
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extern int ZEXPORT unzSetOffset64 OF((unzFile file, ZPOS64_T pos));
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/* Set the current file offset */
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extern z_off_t ZEXPORT unztell OF((unzFile file));
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extern ZPOS64_T ZEXPORT unztell64 OF((unzFile file));
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/* return current position in uncompressed data */
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extern int ZEXPORT unzeof OF((unzFile file));
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/* return 1 if the end of file was reached, 0 elsewhere */
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/***************************************************************************/
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#ifdef __cplusplus
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}
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#endif
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#endif /* _UNZ_H */
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