About zLib
zLib is a compression library written by Jean-Loup Gailly (compression) and Mark Adler (decompression).
Home Page:
http://www.zlib.net/The calling convention used in zlib1.dll is CDECL.
zLibWapi.dll is a library that merges the standard zLib library with the functions written with Gilles Volant to compress and uncompress .zip files using zLib. It uses the STDCALL calling convention.
Home Page:
http://www.winimage.com/zLibDll/The attached file contains my translation of the headers to PowerBASIC of both zLib and zLibWapi, as well as zLibWapi.dll. In addition, zLibWapi.inc also contains some wrapper functions to compress and uncompress strings and to add files to a .zip file.