280 lines
7.9 KiB
C
280 lines
7.9 KiB
C
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/* zconf.h -- configuration of the zlib compression library
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* Copyright (C) 1995-1998 Jean-loup Gailly.
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* For conditions of distribution and use, see copyright notice in zlib.h
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*/
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/* @(#) $Id$ */
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#ifndef _ZCONF_H
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#define _ZCONF_H
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/*
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* If you *really* need a unique prefix for all types and library functions,
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* compile with -DZ_PREFIX. The "standard" zlib should be compiled without it.
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*/
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#ifdef Z_PREFIX
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# define deflateInit_ z_deflateInit_
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# define deflate z_deflate
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# define deflateEnd z_deflateEnd
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# define inflateInit_ z_inflateInit_
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# define inflate z_inflate
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# define inflateEnd z_inflateEnd
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# define deflateInit2_ z_deflateInit2_
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# define deflateSetDictionary z_deflateSetDictionary
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# define deflateCopy z_deflateCopy
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# define deflateReset z_deflateReset
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# define deflateParams z_deflateParams
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# define inflateInit2_ z_inflateInit2_
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# define inflateSetDictionary z_inflateSetDictionary
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# define inflateSync z_inflateSync
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# define inflateSyncPoint z_inflateSyncPoint
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# define inflateReset z_inflateReset
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# define compress z_compress
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# define compress2 z_compress2
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# define uncompress z_uncompress
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# define adler32 z_adler32
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# define crc32 z_crc32
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# define get_crc_table z_get_crc_table
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# define Byte z_Byte
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# define uInt z_uInt
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# define uLong z_uLong
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# define Bytef z_Bytef
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# define charf z_charf
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# define intf z_intf
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# define uIntf z_uIntf
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# define uLongf z_uLongf
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# define voidpf z_voidpf
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# define voidp z_voidp
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#endif
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#if (defined(_WIN32) || defined(__WIN32__)) && !defined(WIN32)
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# define WIN32
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#endif
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#if defined(__GNUC__) || defined(WIN32) || defined(__386__) || defined(i386)
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# ifndef __32BIT__
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# define __32BIT__
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# endif
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#endif
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#if defined(__MSDOS__) && !defined(MSDOS)
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# define MSDOS
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#endif
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/*
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* Compile with -DMAXSEG_64K if the alloc function cannot allocate more
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* than 64k bytes at a time (needed on systems with 16-bit int).
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*/
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#if defined(MSDOS) && !defined(__32BIT__)
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# define MAXSEG_64K
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#endif
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#ifdef MSDOS
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# define UNALIGNED_OK
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#endif
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#if (defined(MSDOS) || defined(_WINDOWS) || defined(WIN32)) && !defined(STDC)
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# define STDC
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#endif
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#if defined(__STDC__) || defined(__cplusplus) || defined(__OS2__)
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# ifndef STDC
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# define STDC
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# endif
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#endif
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#ifndef STDC
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# ifndef const /* cannot use !defined(STDC) && !defined(const) on Mac */
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# define const
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# endif
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#endif
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/* Some Mac compilers merge all .h files incorrectly: */
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#if defined(__MWERKS__) || defined(applec) ||defined(THINK_C) ||defined(__SC__)
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# define NO_DUMMY_DECL
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#endif
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/* Old Borland C incorrectly complains about missing returns: */
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#if defined(__BORLANDC__) && (__BORLANDC__ < 0x500)
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# define NEED_DUMMY_RETURN
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#endif
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/* Maximum value for memLevel in deflateInit2 */
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#ifndef MAX_MEM_LEVEL
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# ifdef MAXSEG_64K
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# define MAX_MEM_LEVEL 8
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# else
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# define MAX_MEM_LEVEL 9
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# endif
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#endif
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/* Maximum value for windowBits in deflateInit2 and inflateInit2.
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* WARNING: reducing MAX_WBITS makes minigzip unable to extract .gz files
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* created by gzip. (Files created by minigzip can still be extracted by
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* gzip.)
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*/
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#ifndef MAX_WBITS
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# define MAX_WBITS 15 /* 32K LZ77 window */
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#endif
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/* The memory requirements for deflate are (in bytes):
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(1 << (windowBits+2)) + (1 << (memLevel+9))
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that is: 128K for windowBits=15 + 128K for memLevel = 8 (default values)
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plus a few kilobytes for small objects. For example, if you want to reduce
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the default memory requirements from 256K to 128K, compile with
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make CFLAGS="-O -DMAX_WBITS=14 -DMAX_MEM_LEVEL=7"
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Of course this will generally degrade compression (there's no free lunch).
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The memory requirements for inflate are (in bytes) 1 << windowBits
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that is, 32K for windowBits=15 (default value) plus a few kilobytes
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for small objects.
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*/
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/* Type declarations */
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#ifndef OF /* function prototypes */
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# ifdef STDC
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# define OF(args) args
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# else
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# define OF(args) ()
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# endif
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#endif
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/* The following definitions for FAR are needed only for MSDOS mixed
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* model programming (small or medium model with some far allocations).
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* This was tested only with MSC; for other MSDOS compilers you may have
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* to define NO_MEMCPY in zutil.h. If you don't need the mixed model,
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* just define FAR to be empty.
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*/
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#if (defined(M_I86SM) || defined(M_I86MM)) && !defined(__32BIT__)
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/* MSC small or medium model */
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# define SMALL_MEDIUM
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# ifdef _MSC_VER
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# define FAR _far
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# else
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# define FAR far
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# endif
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#endif
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#if defined(__BORLANDC__) && (defined(__SMALL__) || defined(__MEDIUM__))
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# ifndef __32BIT__
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# define SMALL_MEDIUM
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# define FAR _far
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# endif
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#endif
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/* Compile with -DZLIB_DLL for Windows DLL support */
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#if defined(ZLIB_DLL)
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# if defined(_WINDOWS) || defined(WINDOWS)
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# ifdef FAR
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# undef FAR
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# endif
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# include <windows.h>
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# define ZEXPORT WINAPI
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# ifdef WIN32
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# define ZEXPORTVA WINAPIV
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# else
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# define ZEXPORTVA FAR _cdecl _export
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# endif
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# endif
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# if defined (__BORLANDC__)
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# if (__BORLANDC__ >= 0x0500) && defined (WIN32)
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# include <windows.h>
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# define ZEXPORT __declspec(dllexport) WINAPI
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# define ZEXPORTRVA __declspec(dllexport) WINAPIV
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# else
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# if defined (_Windows) && defined (__DLL__)
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# define ZEXPORT _export
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# define ZEXPORTVA _export
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# endif
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# endif
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# endif
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#endif
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#if defined (__BEOS__)
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# if defined (ZLIB_DLL)
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# define ZEXTERN extern __declspec(dllexport)
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# else
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# define ZEXTERN extern __declspec(dllimport)
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# endif
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#endif
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#ifndef ZEXPORT
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# define ZEXPORT
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#endif
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#ifndef ZEXPORTVA
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# define ZEXPORTVA
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#endif
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#ifndef ZEXTERN
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# define ZEXTERN extern
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#endif
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#ifndef FAR
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# define FAR
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#endif
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#if !defined(MACOS) && !defined(TARGET_OS_MAC)
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typedef unsigned char Byte; /* 8 bits */
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#endif
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typedef unsigned int uInt; /* 16 bits or more */
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typedef unsigned long uLong; /* 32 bits or more */
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#ifdef SMALL_MEDIUM
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/* Borland C/C++ and some old MSC versions ignore FAR inside typedef */
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# define Bytef Byte FAR
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#else
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typedef Byte FAR Bytef;
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#endif
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typedef char FAR charf;
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typedef int FAR intf;
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typedef uInt FAR uIntf;
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typedef uLong FAR uLongf;
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#ifdef STDC
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typedef void FAR *voidpf;
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typedef void *voidp;
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#else
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typedef Byte FAR *voidpf;
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typedef Byte *voidp;
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#endif
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#ifdef HAVE_UNISTD_H
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# include <sys/types.h> /* for off_t */
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# include <unistd.h> /* for SEEK_* and off_t */
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# define z_off_t off_t
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#endif
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#ifndef SEEK_SET
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# define SEEK_SET 0 /* Seek from beginning of file. */
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# define SEEK_CUR 1 /* Seek from current position. */
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# define SEEK_END 2 /* Set file pointer to EOF plus "offset" */
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#endif
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#ifndef z_off_t
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# define z_off_t long
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#endif
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/* MVS linker does not support external names larger than 8 bytes */
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#if defined(__MVS__)
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# pragma map(deflateInit_,"DEIN")
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# pragma map(deflateInit2_,"DEIN2")
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# pragma map(deflateEnd,"DEEND")
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# pragma map(inflateInit_,"ININ")
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# pragma map(inflateInit2_,"ININ2")
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# pragma map(inflateEnd,"INEND")
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# pragma map(inflateSync,"INSY")
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# pragma map(inflateSetDictionary,"INSEDI")
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# pragma map(inflate_blocks,"INBL")
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# pragma map(inflate_blocks_new,"INBLNE")
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# pragma map(inflate_blocks_free,"INBLFR")
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# pragma map(inflate_blocks_reset,"INBLRE")
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# pragma map(inflate_codes_free,"INCOFR")
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# pragma map(inflate_codes,"INCO")
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# pragma map(inflate_fast,"INFA")
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# pragma map(inflate_flush,"INFLU")
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# pragma map(inflate_mask,"INMA")
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# pragma map(inflate_set_dictionary,"INSEDI2")
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# pragma map(inflate_copyright,"INCOPY")
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# pragma map(inflate_trees_bits,"INTRBI")
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# pragma map(inflate_trees_dynamic,"INTRDY")
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# pragma map(inflate_trees_fixed,"INTRFI")
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# pragma map(inflate_trees_free,"INTRFR")
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#endif
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#endif /* _ZCONF_H */
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