Here are the classes, structs, unions and interfaces with brief descriptions:

CJlCompress	Utility class for typical operations
CQuaAdler32	Adler32 checksum
CQuaChecksum32	Checksum interface
CQuaCrc32	CRC32 checksum
CQuaGzipFile	GZIP file
CQuaZIODevice	A class to compress/decompress QIODevice
CQuaZip	ZIP archive
CQuaZipDir	Provides ZIP archive navigation
CQuaZipFile	A file inside ZIP archive
CQuaZipFileInfo	Information about a file inside archive
CQuaZipFileInfo64	Information about a file inside archive (with zip64 support)
CQuaZipFilePrivate	The implementation class for QuaZip
CQuaZipNewInfo	Information about a file to be created
CQuaZipPrivate	All the internal stuff for the QuaZip class