Here is a list of all documented files with brief descriptions:

src
appendzip.cpp	Source code to a small program appendzip that appends a zip archive to another file
backbuffer.h	The header file for BackBuffer
basicentry.cpp	Implementation of BasicEntry
collcoll.cpp	Implementation of CollectionCollection
deflateoutputstreambuf.cpp	Implementation of DeflateOutputStreambuf
dircoll.cpp	Implementation of DirectoryCollection
fcoll.cpp	Implementation of FileCollection
fcollexceptions.cpp	Implementation of a number of Exceptions used by FileCollection and its subclasses
fileentry.cpp	Implementation of FileEntry
filepath.cpp	Implementation of FilePath
filterinputstreambuf.cpp	Implementation of FilterInputStreambuf
filteroutputstreambuf.cpp	Implementation of FilterOutputStreambuf
gzipoutputstream.cpp	Implementation of GZIPOutputStream
gzipoutputstreambuf.cpp	Implementation of GZIPOutputStreambuf
inflateinputstreambuf.cpp	Implementation of InflateInputStreambuf
outputstringstream.h	Header file that defines OutputStringStream
zipfile.cpp	The implementation of ZipFile
ziphead.cpp	Implementation of routines for reading the central directory and local headers of a zip archive
zipheadio.cpp	Implementation of I/O functions for the header structures defined in ziphead.h
zipinputstream.cpp	Implementation of ZipInputStream
zipinputstreambuf.cpp	Implementation of ZipInputStreambuf
zipios_common.h	Header file containing miscellaneous small functions
zipoutputstream.cpp	Implementation of ZipOutputStream
zipoutputstreambuf.cpp	Implementation of ZipOutputStreambuf
tests
all_tests.cpp	Zipios++ unit test suite
commontest.cpp
commontest.h
example_zip.cpp	source code to a small program that demonstrates the central elements of Zipios++
test_appzip.cpp	source code to a small program that demonstrates the central elements of Zipios++
test_collcoll.cpp	source code to a small program that demonstrates the central elements of Zipios++
test_dircoll.cpp	source code to a small program that demonstrates the central elements of Zipios++
test_gzipoutputstream.cpp	Source for a test program for testing GZIPOutputStream
test_simplesmartptr.cpp	Source code to a small program that tests the functionality of Zipios++
test_zip.cpp	Source code to a small program that tests the functionality of Zipios++
test_zipinputstream.cpp	Source for a test program for testing ZipInputStream
test_zipinputstreambuf.cpp	Source for a test program for testing ZipInputStreambuf
test_zipoutputstream.cpp	Source for a test program for testing ZipOutputStream
test_zipoutputstreambuf.cpp	Source for a test program for testing ZipOutputStreambuf
zipfiletest.cpp	Source code to a small program that tests the functionality of Zipios++
zipfiletest.h
zipinputstreamtest.cpp
zipinputstreamtest.h
zipoutputstreamtest.cpp	ZipOutputStream test suite
zipoutputstreamtest.h
zipios++
basicentry.h	Header file that defines BasicEntry
collcoll.h	Header file that defines CollectionCollection
deflateoutputstreambuf.h	Header file that defines DeflateOutputStreambuf
dircoll.h	Header file that defines DirectoryCollection
fcoll.h	Header file that defines FileCollection
fcollexceptions.h	Header file that defines a number of exceptions used by FileCollection and its subclasses
fileentry.h	Header file that defines FileEntry
filepath.h	Header file that defines FilePath
filterinputstreambuf.h	Header file that defines FilterInputStreambuf
filteroutputstreambuf.h	Header file that defines FilterOutputStreambuf
gzipoutputstream.h	Header file that defines GZIPOutputStream
gzipoutputstreambuf.h	Header file that defines ZipOutputStreambuf
inflateinputstreambuf.h	Header file that defines InflateInputStreambuf
meta-iostreams.h
simplesmartptr.h	Header file that defines SimpleSmartPointer and ReferenceCount
virtualseeker.h	Header file that defines VirtualSeeker
zipfile.h	Header file that defines ZipFile
ziphead.h	Header file containing classes and functions for reading the central directory and local header fields in a zip archive
zipheadio.h	Header file that defines I/O functions for the header structures defined in ziphead.h
zipinputstream.h	Header file that defines ZipInputStream
zipinputstreambuf.h	Header file that defines ZipInputStreambuf
zipios-config.h
zipios_defs.h	Header file that defines some simple data types
zipoutputstream.h	Header file that defines ZipOutputStream
zipoutputstreambuf.h	Header file that defines ZipOutputStreambuf