For lua 5.0.3 (http://www.ptokax.org/files/Libs/PXLuaZlib-0.0.1-lua5.0.3.7z)
For lua 5.1.1 (http://www.ptokax.org/files/Libs/PXLuaZlib-0.0.1-lua5.1.1.7z)
Source (http://www.ptokax.org/files/Libs/PXLuaZlib-0.0.1-src.7z)
Initializing in lua 5.0.3 like
libinit = loadlib("pxluazlib.dll", "luaopen_pxluazlib")
libinit()
Initializing in lua 5.1.1 like
require "pxluazlib"
This will register global zlib 8)