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1 /* zconf.h -- configuration of the zlib compression library
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2 * Copyright (C) 1995-2005 Jean-loup Gailly.
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3 * For conditions of distribution and use, see copyright notice in zlib.h
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4 */
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5
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6 /* @(#) $Id$ */
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7
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8 #ifndef ZCONF_H
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9 #define ZCONF_H
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10
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11 /*
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12 * If you *really* need a unique prefix for all types and library functions,
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13 * compile with -DZ_PREFIX. The "standard" zlib should be compiled without it.
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14 */
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15 #ifdef Z_PREFIX
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16 # define deflateInit_ z_deflateInit_
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17 # define deflate z_deflate
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18 # define deflateEnd z_deflateEnd
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19 # define inflateInit_ z_inflateInit_
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20 # define inflate z_inflate
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21 # define inflateEnd z_inflateEnd
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22 # define deflateInit2_ z_deflateInit2_
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23 # define deflateSetDictionary z_deflateSetDictionary
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24 # define deflateCopy z_deflateCopy
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25 # define deflateReset z_deflateReset
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26 # define deflateParams z_deflateParams
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27 # define deflateBound z_deflateBound
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28 # define deflatePrime z_deflatePrime
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29 # define inflateInit2_ z_inflateInit2_
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30 # define inflateSetDictionary z_inflateSetDictionary
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31 # define inflateSync z_inflateSync
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32 # define inflateSyncPoint z_inflateSyncPoint
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33 # define inflateCopy z_inflateCopy
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34 # define inflateReset z_inflateReset
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35 # define inflateBack z_inflateBack
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36 # define inflateBackEnd z_inflateBackEnd
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37 # define compress z_compress
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38 # define compress2 z_compress2
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39 # define compressBound z_compressBound
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40 # define uncompress z_uncompress
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41 # define adler32 z_adler32
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42 # define crc32 z_crc32
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43 # define get_crc_table z_get_crc_table
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44 # define zError z_zError
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45
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46 # define alloc_func z_alloc_func
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47 # define free_func z_free_func
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48 # define in_func z_in_func
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49 # define out_func z_out_func
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50 # define Byte z_Byte
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51 # define uInt z_uInt
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52 # define uLong z_uLong
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53 # define Bytef z_Bytef
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54 # define charf z_charf
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55 # define intf z_intf
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56 # define uIntf z_uIntf
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57 # define uLongf z_uLongf
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58 # define voidpf z_voidpf
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59 # define voidp z_voidp
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60 #endif
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61
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62 #if defined(__MSDOS__) && !defined(MSDOS)
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63 # define MSDOS
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64 #endif
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65 #if (defined(OS_2) || defined(__OS2__)) && !defined(OS2)
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66 # define OS2
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67 #endif
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68 #if defined(_WINDOWS) && !defined(WINDOWS)
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69 # define WINDOWS
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70 #endif
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71 #if defined(_WIN32) || defined(_WIN32_WCE) || defined(__WIN32__)
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72 # ifndef WIN32
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73 # define WIN32
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74 # endif
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75 #endif
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76 #if (defined(MSDOS) || defined(OS2) || defined(WINDOWS)) && !defined(WIN32)
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77 # if !defined(__GNUC__) && !defined(__FLAT__) && !defined(__386__)
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78 # ifndef SYS16BIT
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79 # define SYS16BIT
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80 # endif
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81 # endif
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82 #endif
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83
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84 /*
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85 * Compile with -DMAXSEG_64K if the alloc function cannot allocate more
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86 * than 64k bytes at a time (needed on systems with 16-bit int).
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87 */
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88 #ifdef SYS16BIT
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89 # define MAXSEG_64K
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90 #endif
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91 #ifdef MSDOS
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92 # define UNALIGNED_OK
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93 #endif
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94
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95 #ifdef __STDC_VERSION__
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96 # ifndef STDC
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97 # define STDC
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98 # endif
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99 # if __STDC_VERSION__ >= 199901L
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100 # ifndef STDC99
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101 # define STDC99
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102 # endif
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103 # endif
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104 #endif
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105 #if !defined(STDC) && (defined(__STDC__) || defined(__cplusplus))
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106 # define STDC
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107 #endif
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108 #if !defined(STDC) && (defined(__GNUC__) || defined(__BORLANDC__))
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109 # define STDC
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110 #endif
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111 #if !defined(STDC) && (defined(MSDOS) || defined(WINDOWS) || defined(WIN32))
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112 # define STDC
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113 #endif
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114 #if !defined(STDC) && (defined(OS2) || defined(__HOS_AIX__))
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115 # define STDC
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116 #endif
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117
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118 #if defined(__OS400__) && !defined(STDC) /* iSeries (formerly AS/400). */
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119 # define STDC
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120 #endif
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121
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122 #ifndef STDC
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123 # ifndef const /* cannot use !defined(STDC) && !defined(const) on Mac */
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124 # define const /* note: need a more gentle solution here */
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125 # endif
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126 #endif
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127
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128 /* Some Mac compilers merge all .h files incorrectly: */
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129 #if defined(__MWERKS__)||defined(applec)||defined(THINK_C)||defined(__SC__)
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130 # define NO_DUMMY_DECL
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131 #endif
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132
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133 /* Maximum value for memLevel in deflateInit2 */
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134 #ifndef MAX_MEM_LEVEL
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135 # ifdef MAXSEG_64K
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136 # define MAX_MEM_LEVEL 8
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137 # else
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138 # define MAX_MEM_LEVEL 9
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139 # endif
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140 #endif
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141
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142 /* Maximum value for windowBits in deflateInit2 and inflateInit2.
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143 * WARNING: reducing MAX_WBITS makes minigzip unable to extract .gz files
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144 * created by gzip. (Files created by minigzip can still be extracted by
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145 * gzip.)
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146 */
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147 #ifndef MAX_WBITS
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148 # define MAX_WBITS 15 /* 32K LZ77 window */
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149 #endif
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150
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151 /* The memory requirements for deflate are (in bytes):
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152 (1 << (windowBits+2)) + (1 << (memLevel+9))
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153 that is: 128K for windowBits=15 + 128K for memLevel = 8 (default values)
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154 plus a few kilobytes for small objects. For example, if you want to reduce
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155 the default memory requirements from 256K to 128K, compile with
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156 make CFLAGS="-O -DMAX_WBITS=14 -DMAX_MEM_LEVEL=7"
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157 Of course this will generally degrade compression (there's no free lunch).
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158
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159 The memory requirements for inflate are (in bytes) 1 << windowBits
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160 that is, 32K for windowBits=15 (default value) plus a few kilobytes
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161 for small objects.
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162 */
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163
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164 /* Type declarations */
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165
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166 #ifndef OF /* function prototypes */
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167 # ifdef STDC
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168 # define OF(args) args
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169 # else
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170 # define OF(args) ()
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171 # endif
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172 #endif
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173
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174 /* The following definitions for FAR are needed only for MSDOS mixed
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175 * model programming (small or medium model with some far allocations).
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176 * This was tested only with MSC; for other MSDOS compilers you may have
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177 * to define NO_MEMCPY in zutil.h. If you don't need the mixed model,
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178 * just define FAR to be empty.
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179 */
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180 #ifdef SYS16BIT
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181 # if defined(M_I86SM) || defined(M_I86MM)
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182 /* MSC small or medium model */
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183 # define SMALL_MEDIUM
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184 # ifdef _MSC_VER
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185 # define FAR _far
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186 # else
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187 # define FAR far
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188 # endif
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189 # endif
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190 # if (defined(__SMALL__) || defined(__MEDIUM__))
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191 /* Turbo C small or medium model */
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192 # define SMALL_MEDIUM
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193 # ifdef __BORLANDC__
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194 # define FAR _far
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195 # else
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196 # define FAR far
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197 # endif
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198 # endif
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199 #endif
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200
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201 #if defined(WINDOWS) || defined(WIN32)
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202 /* If building or using zlib as a DLL, define ZLIB_DLL.
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203 * This is not mandatory, but it offers a little performance increase.
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204 */
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205 # ifdef ZLIB_DLL
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206 # if defined(WIN32) && (!defined(__BORLANDC__) || (__BORLANDC__ >= 0x500))
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207 # ifdef ZLIB_INTERNAL
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208 # define ZEXTERN extern __declspec(dllexport)
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209 # else
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210 # define ZEXTERN extern __declspec(dllimport)
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211 # endif
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212 # endif
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213 # endif /* ZLIB_DLL */
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214 /* If building or using zlib with the WINAPI/WINAPIV calling convention,
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215 * define ZLIB_WINAPI.
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216 * Caution: the standard ZLIB1.DLL is NOT compiled using ZLIB_WINAPI.
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217 */
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218 # ifdef ZLIB_WINAPI
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219 # ifdef FAR
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220 # undef FAR
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221 # endif
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222 # include <windows.h>
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223 /* No need for _export, use ZLIB.DEF instead. */
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224 /* For complete Windows compatibility, use WINAPI, not __stdcall. */
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225 # define ZEXPORT WINAPI
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226 # ifdef WIN32
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227 # define ZEXPORTVA WINAPIV
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228 # else
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229 # define ZEXPORTVA FAR CDECL
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230 # endif
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231 # endif
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232 #endif
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233
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234 #if defined (__BEOS__)
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235 # ifdef ZLIB_DLL
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236 # ifdef ZLIB_INTERNAL
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237 # define ZEXPORT __declspec(dllexport)
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238 # define ZEXPORTVA __declspec(dllexport)
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239 # else
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240 # define ZEXPORT __declspec(dllimport)
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241 # define ZEXPORTVA __declspec(dllimport)
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242 # endif
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243 # endif
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244 #endif
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245
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246 #ifndef ZEXTERN
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247 # define ZEXTERN extern
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248 #endif
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249 #ifndef ZEXPORT
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250 # define ZEXPORT
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251 #endif
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252 #ifndef ZEXPORTVA
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253 # define ZEXPORTVA
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254 #endif
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255
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256 #ifndef FAR
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257 # define FAR
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258 #endif
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259
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260 #if !defined(__MACTYPES__)
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261 typedef unsigned char Byte; /* 8 bits */
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262 #endif
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263 typedef unsigned int uInt; /* 16 bits or more */
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264 typedef unsigned long uLong; /* 32 bits or more */
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265
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266 #ifdef SMALL_MEDIUM
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267 /* Borland C/C++ and some old MSC versions ignore FAR inside typedef */
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268 # define Bytef Byte FAR
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269 #else
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270 typedef Byte FAR Bytef;
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271 #endif
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272 typedef char FAR charf;
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273 typedef int FAR intf;
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274 typedef uInt FAR uIntf;
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275 typedef uLong FAR uLongf;
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276
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277 #ifdef STDC
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278 typedef void const *voidpc;
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279 typedef void FAR *voidpf;
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280 typedef void *voidp;
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281 #else
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282 typedef Byte const *voidpc;
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283 typedef Byte FAR *voidpf;
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284 typedef Byte *voidp;
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285 #endif
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286
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287 #if 0 /* HAVE_UNISTD_H -- this line is updated by ./configure */
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288 # include <sys/types.h> /* for off_t */
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289 # include <unistd.h> /* for SEEK_* and off_t */
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290 # ifdef VMS
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291 # include <unixio.h> /* for off_t */
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292 # endif
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293 # define z_off_t off_t
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294 #endif
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295 #ifndef SEEK_SET
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296 # define SEEK_SET 0 /* Seek from beginning of file. */
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297 # define SEEK_CUR 1 /* Seek from current position. */
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298 # define SEEK_END 2 /* Set file pointer to EOF plus "offset" */
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299 #endif
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300 #ifndef z_off_t
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301 # define z_off_t long
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302 #endif
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303
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304 #if defined(__OS400__)
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305 # define NO_vsnprintf
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306 #endif
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307
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308 #if defined(__MVS__)
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309 # define NO_vsnprintf
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310 # ifdef FAR
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311 # undef FAR
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312 # endif
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313 #endif
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314
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315 /* MVS linker does not support external names larger than 8 bytes */
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316 #if defined(__MVS__)
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317 # pragma map(deflateInit_,"DEIN")
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318 # pragma map(deflateInit2_,"DEIN2")
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319 # pragma map(deflateEnd,"DEEND")
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320 # pragma map(deflateBound,"DEBND")
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321 # pragma map(inflateInit_,"ININ")
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322 # pragma map(inflateInit2_,"ININ2")
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323 # pragma map(inflateEnd,"INEND")
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324 # pragma map(inflateSync,"INSY")
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325 # pragma map(inflateSetDictionary,"INSEDI")
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326 # pragma map(compressBound,"CMBND")
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327 # pragma map(inflate_table,"INTABL")
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328 # pragma map(inflate_fast,"INFA")
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329 # pragma map(inflate_copyright,"INCOPY")
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330 #endif
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331
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332 #endif /* ZCONF_H */
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