Thunderbird wrote: > Something like this works: > winegcc -m32 -shared -o test.dll test.c test.spec > > The file test.spec has to export your functions e.g: > @ stdcall myFunction(ptr long) > > The test.c file in this case has lets say the prototype: > void WINAPI myFunction(void *some_pointer, int value) > (Note the calling convention is critical; for int/long/float you use long in the spec file, for any pointer, obviously ptr) Thanks! That explanation was better than the much longer Winelib tutorial. Calling conventions: How do I use long long and double?