This directory contains examples of the use of zlib and other relevant
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programs and documentation.
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enough.c
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calculation and justification of ENOUGH parameter in inftrees.h
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- calculates the maximum table space used in inflate tree
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construction over all possible Huffman codes
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fitblk.c
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compress just enough input to nearly fill a requested output size
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- zlib isn't designed to do this, but fitblk does it anyway
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gun.c
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uncompress a gzip file
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- illustrates the use of inflateBack() for high speed file-to-file
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decompression using call-back functions
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- is approximately twice as fast as gzip -d
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- also provides Unix uncompress functionality, again twice as fast
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gzappend.c
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append to a gzip file
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- illustrates the use of the Z_BLOCK flush parameter for inflate()
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- illustrates the use of deflatePrime() to start at any bit
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gzjoin.c
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join gzip files without recalculating the crc or recompressing
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- illustrates the use of the Z_BLOCK flush parameter for inflate()
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- illustrates the use of crc32_combine()
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gzlog.c
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gzlog.h
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efficiently and robustly maintain a message log file in gzip format
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- illustrates use of raw deflate, Z_PARTIAL_FLUSH, deflatePrime(),
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and deflateSetDictionary()
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- illustrates use of a gzip header extra field
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zlib_how.html
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painfully comprehensive description of zpipe.c (see below)
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- describes in excruciating detail the use of deflate() and inflate()
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zpipe.c
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reads and writes zlib streams from stdin to stdout
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- illustrates the proper use of deflate() and inflate()
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- deeply commented in zlib_how.html (see above)
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zran.c
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index a zlib or gzip stream and randomly access it
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- illustrates the use of Z_BLOCK, inflatePrime(), and
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inflateSetDictionary() to provide random access
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