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zlib.3
资源名称:zlib124.zip [点击查看]
上传用户:shengde
上传日期:2021-02-21
资源大小:638k
文件大小:4k
源码类别:
压缩解压
开发平台:
Visual C++
- .TH ZLIB 3 "14 March 2010"
- .SH NAME
- zlib - compression/decompression library
- .SH SYNOPSIS
- [see
- .I zlib.h
- for full description]
- .SH DESCRIPTION
- The
- .I zlib
- library is a general purpose data compression library.
- The code is thread safe, assuming that the standard library functions
- used are thread safe, such as memory allocation routines.
- It provides in-memory compression and decompression functions,
- including integrity checks of the uncompressed data.
- This version of the library supports only one compression method (deflation)
- but other algorithms may be added later
- with the same stream interface.
- .LP
- Compression can be done in a single step if the buffers are large enough
- or can be done by repeated calls of the compression function.
- In the latter case,
- the application must provide more input and/or consume the output
- (providing more output space) before each call.
- .LP
- The library also supports reading and writing files in
- .IR gzip (1)
- (.gz) format
- with an interface similar to that of stdio.
- .LP
- The library does not install any signal handler.
- The decoder checks the consistency of the compressed data,
- so the library should never crash even in the case of corrupted input.
- .LP
- All functions of the compression library are documented in the file
- .IR zlib.h .
- The distribution source includes examples of use of the library
- in the files
- .I example.c
- and
- .IR minigzip.c,
- as well as other examples in the
- .IR examples/
- directory.
- .LP
- Changes to this version are documented in the file
- .I ChangeLog
- that accompanies the source.
- .LP
- .I zlib
- is available in Java using the java.util.zip package:
- .IP
- http://java.sun.com/developer/technicalArticles/Programming/compression/
- .LP
- A Perl interface to
- .IR zlib ,
- written by Paul Marquess (pmqs@cpan.org),
- is available at CPAN (Comprehensive Perl Archive Network) sites,
- including:
- .IP
- http://search.cpan.org/~pmqs/IO-Compress-Zlib/
- .LP
- A Python interface to
- .IR zlib ,
- written by A.M. Kuchling (amk@magnet.com),
- is available in Python 1.5 and later versions:
- .IP
- http://www.python.org/doc/lib/module-zlib.html
- .LP
- .I zlib
- is built into
- .IR tcl:
- .IP
- http://wiki.tcl.tk/4610
- .LP
- An experimental package to read and write files in .zip format,
- written on top of
- .I zlib
- by Gilles Vollant (info@winimage.com),
- is available at:
- .IP
- http://www.winimage.com/zLibDll/minizip.html
- and also in the
- .I contrib/minizip
- directory of the main
- .I zlib
- source distribution.
- .SH "SEE ALSO"
- The
- .I zlib
- web site can be found at:
- .IP
- http://zlib.net/
- .LP
- The data format used by the zlib library is described by RFC
- (Request for Comments) 1950 to 1952 in the files:
- .IP
- http://www.ietf.org/rfc/rfc1950.txt (for the zlib header and trailer format)
- .br
- http://www.ietf.org/rfc/rfc1951.txt (for the deflate compressed data format)
- .br
- http://www.ietf.org/rfc/rfc1952.txt (for the gzip header and trailer format)
- .LP
- Mark Nelson wrote an article about
- .I zlib
- for the Jan. 1997 issue of Dr. Dobb's Journal;
- a copy of the article is available at:
- .IP
- http://marknelson.us/1997/01/01/zlib-engine/
- .SH "REPORTING PROBLEMS"
- Before reporting a problem,
- please check the
- .I zlib
- web site to verify that you have the latest version of
- .IR zlib ;
- otherwise,
- obtain the latest version and see if the problem still exists.
- Please read the
- .I zlib
- FAQ at:
- .IP
- http://zlib.net/zlib_faq.html
- .LP
- before asking for help.
- Send questions and/or comments to zlib@gzip.org,
- or (for the Windows DLL version) to Gilles Vollant (info@winimage.com).
- .SH AUTHORS
- Version 1.2.4
- Copyright (C) 1995-2010 Jean-loup Gailly (jloup@gzip.org)
- and Mark Adler (madler@alumni.caltech.edu).
- .LP
- This software is provided "as-is,"
- without any express or implied warranty.
- In no event will the authors be held liable for any damages
- arising from the use of this software.
- See the distribution directory with respect to requirements
- governing redistribution.
- The deflate format used by
- .I zlib
- was defined by Phil Katz.
- The deflate and
- .I zlib
- specifications were written by L. Peter Deutsch.
- Thanks to all the people who reported problems and suggested various
- improvements in
- .IR zlib ;
- who are too numerous to cite here.
- .LP
- UNIX manual page by R. P. C. Rodgers,
- U.S. National Library of Medicine (rodgers@nlm.nih.gov).
- ." end of man page