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102
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1 /* ioapi.h -- IO base function header for compress/uncompress .zip
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2 part of the MiniZip project - ( http://www.winimage.com/zLibDll/minizip.html )
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3
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4 Copyright (C) 1998-2010 Gilles Vollant (minizip) ( http://www.winimage.com/zLibDll/minizip.html )
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5
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6 Modifications for Zip64 support
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7 Copyright (C) 2009-2010 Mathias Svensson ( http://result42.com )
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8
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9 For more info read MiniZip_info.txt
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10
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11 Changes
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12
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13 Oct-2009 - Defined ZPOS64_T to fpos_t on windows and u_int64_t on linux. (might need to find a better why for this)
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14 Oct-2009 - Change to fseeko64, ftello64 and fopen64 so large files would work on linux.
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15 More if/def section may be needed to support other platforms
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16 Oct-2009 - Defined fxxxx64 calls to normal fopen/ftell/fseek so they would compile on windows.
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17 (but you should use iowin32.c for windows instead)
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18
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19 */
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20
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21 #ifndef _ZLIBIOAPI64_H
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22 #define _ZLIBIOAPI64_H
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23
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24 #if (!defined(_WIN32)) && (!defined(WIN32)) && (!defined(__APPLE__))
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25
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26 // Linux needs this to support file operation on files larger then 4+GB
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27 // But might need better if/def to select just the platforms that needs them.
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28
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29 #ifndef __USE_FILE_OFFSET64
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30 #define __USE_FILE_OFFSET64
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31 #endif
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32 #ifndef __USE_LARGEFILE64
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33 #define __USE_LARGEFILE64
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34 #endif
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35 #ifndef _LARGEFILE64_SOURCE
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36 #define _LARGEFILE64_SOURCE
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37 #endif
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38 #ifndef _FILE_OFFSET_BIT
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39 #define _FILE_OFFSET_BIT 64
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40 #endif
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41
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42 #endif
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43
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44 #include <stdio.h>
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45 #include <stdlib.h>
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46 #include "zlib.h"
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47
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48 #if defined(USE_FILE32API)
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49 #define fopen64 fopen
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50 #define ftello64 ftell
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51 #define fseeko64 fseek
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52 #else
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53 #ifdef __FreeBSD__
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54 #define fopen64 fopen
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55 #define ftello64 ftello
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56 #define fseeko64 fseeko
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57 #endif
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58 #ifdef _MSC_VER
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59 #define fopen64 fopen
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60 #if (_MSC_VER >= 1400) && (!(defined(NO_MSCVER_FILE64_FUNC)))
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61 #define ftello64 _ftelli64
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62 #define fseeko64 _fseeki64
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63 #else // old MSC
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64 #define ftello64 ftell
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65 #define fseeko64 fseek
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66 #endif
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67 #endif
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68 #endif
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69
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70 /*
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71 #ifndef ZPOS64_T
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72 #ifdef _WIN32
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73 #define ZPOS64_T fpos_t
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74 #else
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75 #include <stdint.h>
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76 #define ZPOS64_T uint64_t
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77 #endif
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78 #endif
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79 */
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80
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81 #ifdef HAVE_MINIZIP64_CONF_H
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82 #include "mz64conf.h"
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83 #endif
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84
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85 /* a type choosen by DEFINE */
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86 #ifdef HAVE_64BIT_INT_CUSTOM
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87 typedef 64BIT_INT_CUSTOM_TYPE ZPOS64_T;
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88 #else
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89 #ifdef HAS_STDINT_H
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90 #include "stdint.h"
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91 typedef uint64_t ZPOS64_T;
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92 #else
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93
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94 /* Maximum unsigned 32-bit value used as placeholder for zip64 */
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95 #define MAXU32 0xffffffff
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96
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97 #if defined(_MSC_VER) || defined(__BORLANDC__)
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98 typedef unsigned __int64 ZPOS64_T;
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99 #else
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100 typedef unsigned long long int ZPOS64_T;
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101 #endif
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102 #endif
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103 #endif
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104
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105
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106
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107 #ifdef __cplusplus
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108 extern "C" {
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109 #endif
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110
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111
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112 #define ZLIB_FILEFUNC_SEEK_CUR (1)
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113 #define ZLIB_FILEFUNC_SEEK_END (2)
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114 #define ZLIB_FILEFUNC_SEEK_SET (0)
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115
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116 #define ZLIB_FILEFUNC_MODE_READ (1)
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117 #define ZLIB_FILEFUNC_MODE_WRITE (2)
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118 #define ZLIB_FILEFUNC_MODE_READWRITEFILTER (3)
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119
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120 #define ZLIB_FILEFUNC_MODE_EXISTING (4)
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121 #define ZLIB_FILEFUNC_MODE_CREATE (8)
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122
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123
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124 #ifndef ZCALLBACK
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125 #if (defined(WIN32) || defined(_WIN32) || defined (WINDOWS) || defined (_WINDOWS)) && defined(CALLBACK) && defined (USEWINDOWS_CALLBACK)
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126 #define ZCALLBACK CALLBACK
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127 #else
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128 #define ZCALLBACK
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129 #endif
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130 #endif
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131
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132
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133
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134
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135 typedef voidpf (ZCALLBACK *open_file_func) OF((voidpf opaque, const char* filename, int mode));
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136 typedef uLong (ZCALLBACK *read_file_func) OF((voidpf opaque, voidpf stream, void* buf, uLong size));
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137 typedef uLong (ZCALLBACK *write_file_func) OF((voidpf opaque, voidpf stream, const void* buf, uLong size));
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138 typedef int (ZCALLBACK *close_file_func) OF((voidpf opaque, voidpf stream));
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139 typedef int (ZCALLBACK *testerror_file_func) OF((voidpf opaque, voidpf stream));
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140
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141 typedef long (ZCALLBACK *tell_file_func) OF((voidpf opaque, voidpf stream));
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142 typedef long (ZCALLBACK *seek_file_func) OF((voidpf opaque, voidpf stream, uLong offset, int origin));
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143
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144
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145 /* here is the "old" 32 bits structure structure */
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146 typedef struct zlib_filefunc_def_s
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147 {
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148 open_file_func zopen_file;
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149 read_file_func zread_file;
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150 write_file_func zwrite_file;
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151 tell_file_func ztell_file;
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152 seek_file_func zseek_file;
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153 close_file_func zclose_file;
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154 testerror_file_func zerror_file;
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155 voidpf opaque;
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156 } zlib_filefunc_def;
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157
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158 typedef ZPOS64_T (ZCALLBACK *tell64_file_func) OF((voidpf opaque, voidpf stream));
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159 typedef long (ZCALLBACK *seek64_file_func) OF((voidpf opaque, voidpf stream, ZPOS64_T offset, int origin));
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160 typedef voidpf (ZCALLBACK *open64_file_func) OF((voidpf opaque, const void* filename, int mode));
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161
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162 typedef struct zlib_filefunc64_def_s
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163 {
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164 open64_file_func zopen64_file;
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165 read_file_func zread_file;
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166 write_file_func zwrite_file;
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167 tell64_file_func ztell64_file;
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168 seek64_file_func zseek64_file;
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169 close_file_func zclose_file;
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170 testerror_file_func zerror_file;
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171 voidpf opaque;
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172 } zlib_filefunc64_def;
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173
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174 void fill_fopen64_filefunc OF((zlib_filefunc64_def* pzlib_filefunc_def));
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175 void fill_fopen_filefunc OF((zlib_filefunc_def* pzlib_filefunc_def));
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176
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177 /* now internal definition, only for zip.c and unzip.h */
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178 typedef struct zlib_filefunc64_32_def_s
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179 {
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180 zlib_filefunc64_def zfile_func64;
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181 open_file_func zopen32_file;
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182 tell_file_func ztell32_file;
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183 seek_file_func zseek32_file;
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184 } zlib_filefunc64_32_def;
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185
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186
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187 #define ZREAD64(filefunc,filestream,buf,size) ((*((filefunc).zfile_func64.zread_file)) ((filefunc).zfile_func64.opaque,filestream,buf,size))
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188 #define ZWRITE64(filefunc,filestream,buf,size) ((*((filefunc).zfile_func64.zwrite_file)) ((filefunc).zfile_func64.opaque,filestream,buf,size))
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189 //#define ZTELL64(filefunc,filestream) ((*((filefunc).ztell64_file)) ((filefunc).opaque,filestream))
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190 //#define ZSEEK64(filefunc,filestream,pos,mode) ((*((filefunc).zseek64_file)) ((filefunc).opaque,filestream,pos,mode))
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191 #define ZCLOSE64(filefunc,filestream) ((*((filefunc).zfile_func64.zclose_file)) ((filefunc).zfile_func64.opaque,filestream))
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192 #define ZERROR64(filefunc,filestream) ((*((filefunc).zfile_func64.zerror_file)) ((filefunc).zfile_func64.opaque,filestream))
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193
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194 voidpf call_zopen64 OF((const zlib_filefunc64_32_def* pfilefunc,const void*filename,int mode));
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195 long call_zseek64 OF((const zlib_filefunc64_32_def* pfilefunc,voidpf filestream, ZPOS64_T offset, int origin));
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196 ZPOS64_T call_ztell64 OF((const zlib_filefunc64_32_def* pfilefunc,voidpf filestream));
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197
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198 void fill_zlib_filefunc64_32_def_from_filefunc32(zlib_filefunc64_32_def* p_filefunc64_32,const zlib_filefunc_def* p_filefunc32);
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199
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200 #define ZOPEN64(filefunc,filename,mode) (call_zopen64((&(filefunc)),(filename),(mode)))
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201 #define ZTELL64(filefunc,filestream) (call_ztell64((&(filefunc)),(filestream)))
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202 #define ZSEEK64(filefunc,filestream,pos,mode) (call_zseek64((&(filefunc)),(filestream),(pos),(mode)))
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203
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204 #ifdef __cplusplus
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205 }
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206 #endif
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207
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208 #endif
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