Unreal

It has begun...

http://forums.beyondunreal.com/showthread.php?p=2405761

Unreal Script calling Windows dll:

http://udn.epicgames.com/Three/DLLBind.html

OSC dlls:

http://www.frieder-weiss.de/OSC/OSC-DLL.htm

http://www.bespokesoftware.org/wordpress/?page_id=69

http://www.3dvia.com/forums/topic/opensoundcontrol-osc-bb-s-released-under-gpl/page/3

Windows OSC utilities:

http://www.frieder-weiss.de/OSC/

Creating Windows C++ dlls:

http://msdn.microsoft.com/en-us/library/1ez7dh12.aspx