OuahabiX wrote: > Or can I modify how the compiler should work towards this issue if this is stuck in its options & rules? In short - Wine uses gcc to create it's dlls. And gcc has no concepts of .def file. So it's compiler dependent. OuahabiX wrote: > I couldn't understand why should we use Aliases to other APIs That's what native (windows) does. You should ask MS why they export the same function from several dlls.