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zlib 0.93 is a beta version of a general purpose compression library. The data format used by the zlib library is described in the files zlib-3.1.doc, deflate-1.1.doc and gzip-4.1.doc, available in ftp.uu.net:/pub/archiving/zip/doc. All functions of the compression library are documented in the file zlib.h. A usage example of the library is given in the file example.c which also tests that the library is working correctly. To compile all files and run the test program, just type: make test (For MSDOS, use one of the special makefiles such as Makefile.msc.) To install the zlib library (libgz.a) in /usr/local/lib, type: make install To install in a different directory, use for example: make install prefix=$HOME This will install in $HOME/lib instead of /usr/local/lib. The changes made in version 0.93 are documented in the file ChangeLog. The main changes since 0.9 are: - temporarily disable inline functions - make deflate deterministic - don't use signed char in inflate (not portable enough) - fix inflate memory leak for segmented architectures - Default MEM_LEVEL is 8 (not 9 for Unix) as documented in zlib.h - Document the memory requirements in zconf.h - added "make install" - added support for DJGPP and Pyramid - fix an inflate bug for stored blocks. - various speedups On MSDOS, this version works in both large and small model. However small model compression works only for small values of MAX_MEM_LEVEL and MAX_WBITS (see zconf.h). Small model decompression should work up to MAX_WBITS=15. This version of zlib does not support small or medium model with far allocation of big objects. Copyright (C) 1995 Jean-loup Gailly and Mark Adler 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. Permission is granted to anyone to use this software for any purpose, including commercial applications, and to alter it and redistribute it freely, subject to the following restrictions: 1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required. 2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software. 3. This notice may not be removed or altered from any source distribution. Jean-loup Gailly Mark Adler firstname.lastname@example.org email@example.com If you use the zlib library in a product, we would appreciate *not* receiving lengthy legal documents to sign. The sources are provided for free but without warranty of any kind. The library has been entirely written by Jean-loup Gailly and Mark Adler; it does not include third-party code. If you redistribute modified sources, we would appreciate that you include in the file ChangeLog history information documenting your changes.