A short but sweet wrapper that lets you stream input and output using zlib’s deflate engine.

Note that in order to get this code to work with gcc, you might have to add the following lines of code:

int zapeof( char c ) { return 1; }
int zapeof( int c ) { return 1; }

http://www.geocities.com/SiliconValley/Lakes/2883/zlibwra.html