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zlib is designed to be a free, general-purpose, legally unencumbered -- that is, not covered by any patents -- lossless data-compression library for use on virtually any computer hardware and operating system. The zlib data format is itself portable across platforms.
zlib 1.3.1 Manual
If zalloc and zfree are Z_NULL, then the default library- derived memory allocation routines are used. windowBits is the base two logarithm of the window size, in the range 8..15. window is a caller supplied buffer of that size. Except ...
zlib Home Site
Since ZLIB1.DLL is supposed to be a system component, it may not depend on a non-system component. In order to link ZLIB1.DLL and your application to MSVCRT.DLL in VC7, you need the library of Visual C++ 6.0 or older. If you don't have this library at hand, it's probably best not to use ZLIB1.DLL.
Frequently Asked Questions - zlib
Can zlib handle .Z files? No, sorry. You have to spawn an uncompress or gunzip subprocess, or adapt the code of uncompress on your own. How can I make a Unix shared library? By default a shared (and a static) library is built for Unix. So: make distclean./configure make; How do I install a shared zlib library on Unix? After the above, then:
Usage Example - zlib
Usage Example We often get questions about how the deflate() and inflate() functions should be used. Users wonder when they should provide more input, when they should use more output, what to do with a Z_BUF_ERROR, how to make sure the process terminates properly, and so on.So for those who have read zlib.h (a few times), and would like further edification, below is …
zlib Home Site
zlib Home Site