forked from KolibriOS/kolibrios
217 lines
11 KiB
Plaintext
217 lines
11 KiB
Plaintext
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_______________________________________________________________________________
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This is the Windows CE Info-ZIP port README, last updated 17 September 2003.
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_______________________________________________________________________________
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Copyright and Disclaimer
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_______________________________________________________________________________
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Copyright
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All the source files for Pocket UnZip are copyrighted by Info-ZIP.
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For details on terms and conditions look into the LICENSE file
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that should be part of the source distribution.
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The original author Steve P. Miller has gracefully allowed to
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put his own source contributions for "Pocket UnZip" under the
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Info-ZIP license.
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Disclaimer
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All project files are provided "as is" with no guarantee of
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their correctness. The authors are not liable for any outcome
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that is the result of using this source. The source for Pocket
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UnZip has been placed in the public domain to help provide an
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understanding of its implementation. You are hereby granted
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full permission to use this source in any way you wish, except
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to alter Pocket UnZip itself. For comments, suggestions, and
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bug reports, please write to stevemil@pobox.com or to the
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generic Info-ZIP e-mail address Zip-Bugs@lists.wku.edu.
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_______________________________________________________________________________
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About the Windows CE Port (known as "Pocket UnZip")
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_______________________________________________________________________________
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The Windows CE port, known as Pocket UnZip, is designed to run on Microsoft's
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Windows CE operating system. The port is completely contained in the files
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listed above. There were very few minor modifications made to the Info-ZIP
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code in order for this port to work. This was possible because the Info-ZIP
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code is fairly generic and also because several hooks have already been placed
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in the code from past Windows ports. The Windows CE port leverages off of
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these efforts for two reasons. Mainly, I wanted to avoid modifying the
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Info-ZIP core code since people don't like it when your changes break other
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ports. Second, this makes the Windows CE port easy to upgrade when fixes and
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features are released by the Info-ZIP group.
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The port is made up of the project file (punzip.dsp), one global header
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(punzip.h), three main source modules (winmain.cpp/h, intrface.cpp/h,
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and wince.cpp/h), the resource script files (punzip.rc, punzip.rcv, and
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resource.h), several resources (punzip.ic2, zipfile.ic2, imglist.2bp,
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ilmask.bmp, toolbar.2bp, punzip.ico, zipfile.ico, imglist.bmp, and
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toolbar.bmp), and the help file (punzip.htp).
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The application's entry point is WinMain(), which is located in winmain.cpp
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(what a surprise). winmain.cpp basically contains all the Windows code and
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the user interface. It knows nothing about the Info-ZIP code or things like
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the Globals struct. That stuff is the job of the intrface module.
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intrface.cpp implements an easy (or at least easier) to understand interface
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to the Info-ZIP routines. It also handles all the callbacks from Info-ZIP
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and relays the appropriate information back to the code in winmain.cpp.
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The final module is wince.cpp. This module implements all the Win32 APIs
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and C runtime functions that are called by the rest of the code, but are
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not natively implemented on Windows CE. Most all of this module is excluded
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for NT native builds.
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Two preprocessor defines are used in conjunction with several defines from
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the Info-ZIP code and from other ports. The two that are specific to the
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Windows CE port are:
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POCKET_UNZIP Always set for the Windows CE port (CE and NT).
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_WIN32_WCE Set for Windows CE native; not set for Windows NT native.
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These three defines are the minimum defines that must be addressed by the
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project file in order to build this port. This port's main header, punzip.h,
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gets included by all the Info-ZIP source files when POCKET_UNZIP is defined.
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punzip.h in turn ensures that all the other relevant Info-ZIP defines are set
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to correctly build the port. If you wish to alter the Info-ZIP defines used
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to build this port, you can do so by altering punzip.h.
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There are quite a few _WIN32_WCE checks throughout the source files for this
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port. These checks allow the application to build natively for Windows NT for
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debugging purposes, and just because it can with little effort due to the
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similarities between the Windows CE API and the Windows NT API. Any non-Windows
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CE code is assumed to be for Windows NT only. This project currently will not
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work on Windows 95 because Windows CE is mostly UNICODE, and this port assumes
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that all Win32 calls to the operating system take UNICODE parameters. I could
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scatter a few dozen "#ifdef UNICODE" checks around and make it work on Windows
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95, but I see no reason to complicate this port's code for that reason since
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there is already a Windows 95 port of the Info-ZIP code.
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_______________________________________________________________________________
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Building the Windows CE Port (known as "Pocket UnZip")
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_______________________________________________________________________________
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At the time this README was written, Microsoft just released Visual C++ for
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Windows CE version 1.0. This development kit uses the the standard Microsoft
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Visual C++ version 5.0 or 6.0 development environment and project files
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(DSP files). To build Windows CE binaries of Pocket UnZip, you will need
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version 1.0 or later of Visual C++ for Windows CE.
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This port's project file, punzip.dsp, contains the information for building all
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the various binaries. These include Windows NT native, Windows CE native for
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Hitachi SH-3 processors, and Windows CE native for MIPS processors. All
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projects have Debug and Retail flavors as well. The following table lists the
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Windows CE devices and which binary they run:
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Manufacturer CPU Binary
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--------------------- ------------ ------
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Philips Electronics MIPS R3910 MIPS
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NEC Corp. NEC VR4101 MIPS
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Casio Computer Co. Hitachi SH-3 SH-3
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Compaq Computer Corp. Hitachi SH-3 SH-3
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Hewlett-Packard Co. Hitachi SH-3 SH-3
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Hitachi Ltd. Hitachi SH-3 SH-3
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LG Electronics Inc. Hitachi SH-3 SH-3
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The revision of this port made for UnZip 5.51 does now also provide a project
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file for use with Microsoft's free "Visual C++ embedded 3.0" development system
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for Windows CE.
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Pocket UnZip should build out of the box. If you have just unzipped the
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Info-ZIP's UnZip sources, you should have a root directory with the core
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Info-ZIP files in it and several subdirectories under it for the various
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ports, one of which is the WinCE directory. The project files punzip.dsp
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are located in the subdirectory vc5 resp. vc6 below the wince directory.
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Open the punzip.dsp file from the subdirectory matching your Visual C++
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base version. The project file uses all the files in the WinCE
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subdirectory as well as the following files in the Info-ZIP root:
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api.c crypt.h globals.c process.c unzip.h
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consts.h ebcdic.h globals.h ttyio.c unzpriv.h
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crc32.c explode.c inflate.c ttyio.h unzvers.h
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crc32.h extract.c inflate.h unreduce.c zip.h
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crypt.c fileio.c list.c unshrink.c
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_______________________________________________________________________________
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Contacting the Authors
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_______________________________________________________________________________
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The Info-ZIP group is made up of dozens of people, past and present, who
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have devoted countless hours to providing the public with free and portable
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compression software. The author of the Windows CE port, Pocket UnZip, is
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Steve P. Miller.
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If you have questions, comments, suggestions, or bug reports concerning Pocket
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UnZip itself, you can write Steve Miller at:
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stevemil@pobox.com
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If you find a bug that appears to be more Info-ZIP related (i.e. the actual
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decompression part of Pocket UnZip), you can send mail to:
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Zip-Bugs@lists.wku.edu
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For all other general discussion type questions or comments, you can send mail
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to (as well as join) the following mailing list:
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Info-Zip@lists.wku.edu
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See the main UnZip README file for info on how to join the latter list.
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_______________________________________________________________________________
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Beginning with UnZip 5.51, the source distribution contains a second port for
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WinCE, providing a "command line UnZip tool" for batch processing on Windows CE
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systems.
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This port was contributed in September 2002 by:
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Simon Roberts
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IBM Global Services, EMEA
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Phone: (INT 44- 2392 )(UK 02392 ) 563937: Tie-line(UK): 25-3937
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Notes: Simon Roberts/UK/IBM@IBMGB
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Internet: Simon_Roberts@uk.ibm.com
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The tight integration of this contribution into the main UnZip distribution
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code required some reorganization and was carried out by the UnZip maintenance
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coordinator Christian Spieler.
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The build of the Win CE command line program requires compiling
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and linking together the following source modules:
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wince/wcemain.c main entry point
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unzip.c unzip command line interface
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crc32.c CRC-32 calculation
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crypt.c decryption support
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extract.c general archive extraction handling
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fileio.c internal I/O helper routines
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globals.c global communication resources setup
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list.c archive listing
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match.c wildcard pattern matching
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process.c general archives processing code
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ttyio.c interactive console I/O
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explode.c decompression for "Imploded" data (LZ77)
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inflate.c decompression for "Deflate" methods
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unreduce.c decompression for "Reduced" data
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unshrink.c decompression for "Shrunk" data (LZW)
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wince/intrface.cpp WinCE specific UnZip code
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wince/wince.cpp WinCE specific C RTL lib replacements
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These source modules depend on the following header files:
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zip.h wrapper for unzip.h used by some modules
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unzip.h main UnZip project header
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unzpriv.h extended defines for project internals
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globals.h global resource structures
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wince/wcecfg.h Windows CE specific configuration
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wince/wince.h WinCE C(++) library roundups
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consts.h global constant data
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crc32.h CRC-32 calculation interface
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crypt.h decryption interface
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ebcdic.h ASCII <--> EBCDIC translation
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ttyio.h console I/O interface
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unzvers.h version/release information
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wince/intrface.h public entities in wince/intrface.cpp
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