Gzstream is a small C++ library, basically just a wrapper, that provides
the functionality of the zlib C-library in a C++ iostream. It is freely
available under the LGPL license.

Gzstream has been written by Deepak Bandyopadhyay and Lutz Kettner at the
Computational Geometry Group at UNC Chapel Hill.

WWW: http://www.cs.unc.edu/Research/compgeom/gzstream/