| 1 |  | 
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| 2 | /*-------------------------------------------------------------*/ | 
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| 3 | /*--- Public header file for the library.                   ---*/ | 
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| 4 | /*---                                               bzlib.h ---*/ | 
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| 5 | /*-------------------------------------------------------------*/ | 
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| 6 |  | 
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| 7 | /* ------------------------------------------------------------------ | 
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| 8 | This file is part of bzip2/libbzip2, a program and library for | 
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| 9 | lossless, block-sorting data compression. | 
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| 10 |  | 
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| 11 | bzip2/libbzip2 version 1.0.4 of 20 December 2006 | 
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| 12 | Copyright (C) 1996-2006 Julian Seward <jseward@bzip.org> | 
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| 13 |  | 
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| 14 | Please read the WARNING, DISCLAIMER and PATENTS sections in the | 
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| 15 | README file. | 
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| 16 |  | 
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| 17 | This program is released under the terms of the license contained | 
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| 18 | in the file LICENSE. | 
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| 19 | ------------------------------------------------------------------ */ | 
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| 20 |  | 
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| 21 |  | 
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| 22 | #ifndef _BZLIB_H | 
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| 23 | #define _BZLIB_H | 
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| 24 |  | 
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| 25 | #ifdef __cplusplus | 
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| 26 | extern "C" { | 
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| 27 | #endif | 
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| 28 |  | 
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| 29 | #define BZ_RUN               0 | 
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| 30 | #define BZ_FLUSH             1 | 
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| 31 | #define BZ_FINISH            2 | 
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| 32 |  | 
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| 33 | #define BZ_OK                0 | 
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| 34 | #define BZ_RUN_OK            1 | 
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| 35 | #define BZ_FLUSH_OK          2 | 
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| 36 | #define BZ_FINISH_OK         3 | 
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| 37 | #define BZ_STREAM_END        4 | 
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| 38 | #define BZ_SEQUENCE_ERROR    (-1) | 
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| 39 | #define BZ_PARAM_ERROR       (-2) | 
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| 40 | #define BZ_MEM_ERROR         (-3) | 
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| 41 | #define BZ_DATA_ERROR        (-4) | 
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| 42 | #define BZ_DATA_ERROR_MAGIC  (-5) | 
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| 43 | #define BZ_IO_ERROR          (-6) | 
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| 44 | #define BZ_UNEXPECTED_EOF    (-7) | 
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| 45 | #define BZ_OUTBUFF_FULL      (-8) | 
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| 46 | #define BZ_CONFIG_ERROR      (-9) | 
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| 47 |  | 
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| 48 | typedef | 
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| 49 | struct { | 
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| 50 | char *next_in; | 
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| 51 | unsigned int avail_in; | 
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| 52 | unsigned int total_in_lo32; | 
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| 53 | unsigned int total_in_hi32; | 
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| 54 |  | 
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| 55 | char *next_out; | 
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| 56 | unsigned int avail_out; | 
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| 57 | unsigned int total_out_lo32; | 
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| 58 | unsigned int total_out_hi32; | 
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| 59 |  | 
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| 60 | void *state; | 
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| 61 |  | 
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| 62 | void *(*bzalloc)(void *,int,int); | 
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| 63 | void (*bzfree)(void *,void *); | 
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| 64 | void *opaque; | 
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| 65 | } | 
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| 66 | bz_stream; | 
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| 67 |  | 
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| 68 |  | 
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| 69 | #ifndef __KLIBC__ /* This default definition of BZ_EXPORT is silly. */ | 
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| 70 | #ifndef BZ_IMPORT | 
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| 71 | #define BZ_EXPORT | 
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| 72 | #endif | 
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| 73 | #endif | 
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| 74 |  | 
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| 75 | #ifndef BZ_NO_STDIO | 
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| 76 | /* Need a definitition for FILE */ | 
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| 77 | #include <stdio.h> | 
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| 78 | #endif | 
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| 79 |  | 
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| 80 | #ifdef _WIN32 | 
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| 81 | #   include <windows.h> | 
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| 82 | #   ifdef small | 
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| 83 | /* windows.h define small to char */ | 
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| 84 | #      undef small | 
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| 85 | #   endif | 
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| 86 | #   ifdef BZ_EXPORT | 
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| 87 | #   define BZ_API(func) WINAPI func | 
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| 88 | #   define BZ_EXTERN extern | 
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| 89 | #   else | 
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| 90 | /* import windows dll dynamically */ | 
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| 91 | #   define BZ_API(func) (WINAPI * func) | 
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| 92 | #   define BZ_EXTERN | 
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| 93 | #   endif | 
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| 94 | #elif defined (__KLIBC__) | 
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| 95 | #   ifdef BZ_EXPORT | 
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| 96 | #   define BZ_API(func) func | 
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| 97 | #   define BZ_EXTERN extern __declspec(dllexport) | 
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| 98 | #   else | 
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| 99 | #   define BZ_API(func) func | 
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| 100 | #   define BZ_EXTERN extern | 
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| 101 | #   endif | 
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| 102 | #else | 
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| 103 | #   define BZ_API(func) func | 
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| 104 | #   define BZ_EXTERN extern | 
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| 105 | #endif | 
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| 106 |  | 
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| 107 |  | 
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| 108 | /*-- Core (low-level) library functions --*/ | 
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| 109 |  | 
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| 110 | BZ_EXTERN int BZ_API(BZ2_bzCompressInit) ( | 
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| 111 | bz_stream* strm, | 
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| 112 | int        blockSize100k, | 
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| 113 | int        verbosity, | 
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| 114 | int        workFactor | 
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| 115 | ); | 
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| 116 |  | 
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| 117 | BZ_EXTERN int BZ_API(BZ2_bzCompress) ( | 
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| 118 | bz_stream* strm, | 
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| 119 | int action | 
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| 120 | ); | 
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| 121 |  | 
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| 122 | BZ_EXTERN int BZ_API(BZ2_bzCompressEnd) ( | 
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| 123 | bz_stream* strm | 
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| 124 | ); | 
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| 125 |  | 
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| 126 | BZ_EXTERN int BZ_API(BZ2_bzDecompressInit) ( | 
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| 127 | bz_stream *strm, | 
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| 128 | int       verbosity, | 
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| 129 | int       small | 
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| 130 | ); | 
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| 131 |  | 
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| 132 | BZ_EXTERN int BZ_API(BZ2_bzDecompress) ( | 
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| 133 | bz_stream* strm | 
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| 134 | ); | 
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| 135 |  | 
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| 136 | BZ_EXTERN int BZ_API(BZ2_bzDecompressEnd) ( | 
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| 137 | bz_stream *strm | 
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| 138 | ); | 
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| 139 |  | 
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| 140 |  | 
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| 141 |  | 
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| 142 | /*-- High(er) level library functions --*/ | 
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| 143 |  | 
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| 144 | #ifndef BZ_NO_STDIO | 
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| 145 | #define BZ_MAX_UNUSED 5000 | 
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| 146 |  | 
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| 147 | typedef void BZFILE; | 
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| 148 |  | 
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| 149 | BZ_EXTERN BZFILE* BZ_API(BZ2_bzReadOpen) ( | 
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| 150 | int*  bzerror, | 
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| 151 | FILE* f, | 
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| 152 | int   verbosity, | 
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| 153 | int   small, | 
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| 154 | void* unused, | 
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| 155 | int   nUnused | 
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| 156 | ); | 
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| 157 |  | 
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| 158 | BZ_EXTERN void BZ_API(BZ2_bzReadClose) ( | 
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| 159 | int*    bzerror, | 
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| 160 | BZFILE* b | 
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| 161 | ); | 
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| 162 |  | 
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| 163 | BZ_EXTERN void BZ_API(BZ2_bzReadGetUnused) ( | 
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| 164 | int*    bzerror, | 
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| 165 | BZFILE* b, | 
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| 166 | void**  unused, | 
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| 167 | int*    nUnused | 
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| 168 | ); | 
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| 169 |  | 
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| 170 | BZ_EXTERN int BZ_API(BZ2_bzRead) ( | 
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| 171 | int*    bzerror, | 
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| 172 | BZFILE* b, | 
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| 173 | void*   buf, | 
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| 174 | int     len | 
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| 175 | ); | 
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| 176 |  | 
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| 177 | BZ_EXTERN BZFILE* BZ_API(BZ2_bzWriteOpen) ( | 
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| 178 | int*  bzerror, | 
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| 179 | FILE* f, | 
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| 180 | int   blockSize100k, | 
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| 181 | int   verbosity, | 
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| 182 | int   workFactor | 
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| 183 | ); | 
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| 184 |  | 
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| 185 | BZ_EXTERN void BZ_API(BZ2_bzWrite) ( | 
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| 186 | int*    bzerror, | 
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| 187 | BZFILE* b, | 
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| 188 | void*   buf, | 
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| 189 | int     len | 
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| 190 | ); | 
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| 191 |  | 
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| 192 | BZ_EXTERN void BZ_API(BZ2_bzWriteClose) ( | 
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| 193 | int*          bzerror, | 
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| 194 | BZFILE*       b, | 
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| 195 | int           abandon, | 
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| 196 | unsigned int* nbytes_in, | 
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| 197 | unsigned int* nbytes_out | 
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| 198 | ); | 
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| 199 |  | 
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| 200 | BZ_EXTERN void BZ_API(BZ2_bzWriteClose64) ( | 
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| 201 | int*          bzerror, | 
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| 202 | BZFILE*       b, | 
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| 203 | int           abandon, | 
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| 204 | unsigned int* nbytes_in_lo32, | 
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| 205 | unsigned int* nbytes_in_hi32, | 
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| 206 | unsigned int* nbytes_out_lo32, | 
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| 207 | unsigned int* nbytes_out_hi32 | 
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| 208 | ); | 
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| 209 | #endif | 
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| 210 |  | 
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| 211 |  | 
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| 212 | /*-- Utility functions --*/ | 
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| 213 |  | 
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| 214 | BZ_EXTERN int BZ_API(BZ2_bzBuffToBuffCompress) ( | 
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| 215 | char*         dest, | 
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| 216 | unsigned int* destLen, | 
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| 217 | char*         source, | 
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| 218 | unsigned int  sourceLen, | 
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| 219 | int           blockSize100k, | 
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| 220 | int           verbosity, | 
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| 221 | int           workFactor | 
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| 222 | ); | 
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| 223 |  | 
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| 224 | BZ_EXTERN int BZ_API(BZ2_bzBuffToBuffDecompress) ( | 
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| 225 | char*         dest, | 
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| 226 | unsigned int* destLen, | 
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| 227 | char*         source, | 
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| 228 | unsigned int  sourceLen, | 
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| 229 | int           small, | 
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| 230 | int           verbosity | 
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| 231 | ); | 
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| 232 |  | 
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| 233 |  | 
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| 234 | /*-- | 
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| 235 | Code contributed by Yoshioka Tsuneo (tsuneo@rr.iij4u.or.jp) | 
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| 236 | to support better zlib compatibility. | 
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| 237 | This code is not _officially_ part of libbzip2 (yet); | 
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| 238 | I haven't tested it, documented it, or considered the | 
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| 239 | threading-safeness of it. | 
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| 240 | If this code breaks, please contact both Yoshioka and me. | 
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| 241 | --*/ | 
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| 242 |  | 
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| 243 | BZ_EXTERN const char * BZ_API(BZ2_bzlibVersion) ( | 
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| 244 | void | 
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| 245 | ); | 
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| 246 |  | 
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| 247 | #ifndef BZ_NO_STDIO | 
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| 248 | BZ_EXTERN BZFILE * BZ_API(BZ2_bzopen) ( | 
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| 249 | const char *path, | 
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| 250 | const char *mode | 
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| 251 | ); | 
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| 252 |  | 
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| 253 | BZ_EXTERN BZFILE * BZ_API(BZ2_bzdopen) ( | 
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| 254 | int        fd, | 
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| 255 | const char *mode | 
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| 256 | ); | 
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| 257 |  | 
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| 258 | BZ_EXTERN int BZ_API(BZ2_bzread) ( | 
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| 259 | BZFILE* b, | 
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| 260 | void* buf, | 
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| 261 | int len | 
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| 262 | ); | 
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| 263 |  | 
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| 264 | BZ_EXTERN int BZ_API(BZ2_bzwrite) ( | 
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| 265 | BZFILE* b, | 
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| 266 | void*   buf, | 
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| 267 | int     len | 
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| 268 | ); | 
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| 269 |  | 
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| 270 | BZ_EXTERN int BZ_API(BZ2_bzflush) ( | 
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| 271 | BZFILE* b | 
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| 272 | ); | 
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| 273 |  | 
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| 274 | BZ_EXTERN void BZ_API(BZ2_bzclose) ( | 
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| 275 | BZFILE* b | 
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| 276 | ); | 
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| 277 |  | 
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| 278 | BZ_EXTERN const char * BZ_API(BZ2_bzerror) ( | 
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| 279 | BZFILE *b, | 
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| 280 | int    *errnum | 
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| 281 | ); | 
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| 282 | #endif | 
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| 283 |  | 
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| 284 | #ifdef __cplusplus | 
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| 285 | } | 
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| 286 | #endif | 
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| 287 |  | 
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| 288 | #endif | 
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| 289 |  | 
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| 290 | /*-------------------------------------------------------------*/ | 
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| 291 | /*--- end                                           bzlib.h ---*/ | 
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| 292 | /*-------------------------------------------------------------*/ | 
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