gcc/zlib/examples

This directory contains examples of the use of zlib and other relevant
programs and documentation.

enough.c
calculation and justification of ENOUGH parameter in inftrees.h
- calculates the maximum table space used in inflate tree
construction over all possible Huffman codes

fitblk.c
compress just enough input to nearly fill a requested output size
- zlib isn't designed to do this, but fitblk does it anyway

gun.c
uncompress a gzip file
- illustrates the use of inflateBack() for high speed file-to-file
decompression using call-back functions
- is approximately twice as fast as gzip -d
- also provides Unix uncompress functionality, again twice as fast

gzappend.c
append to a gzip file
- illustrates the use of the Z_BLOCK flush parameter for inflate()
- illustrates the use of deflatePrime() to start at any bit

gzjoin.c
join gzip files without recalculating the crc or recompressing
- illustrates the use of the Z_BLOCK flush parameter for inflate()
- illustrates the use of crc32_combine()

gzlog.c
gzlog.h
efficiently and robustly maintain a message log file in gzip format
- illustrates use of raw deflate, Z_PARTIAL_FLUSH, deflatePrime(),
and deflateSetDictionary()
- illustrates use of a gzip header extra field

zlib_how.html
painfully comprehensive description of zpipe.c (see below)
- describes in excruciating detail the use of deflate() and inflate()

zpipe.c
reads and writes zlib streams from stdin to stdout
- illustrates the proper use of deflate() and inflate()
- deeply commented in zlib_how.html (see above)

zran.c
index a zlib or gzip stream and randomly access it
- illustrates the use of Z_BLOCK, inflatePrime(), and
inflateSetDictionary() to provide random access