this should probably sidestep that thing unc0rr keeps bringing up. untested. but then, I've never had it happen. I think what happens is onGameTick20 is called in same tick as onNewTurn and before it...
#ifndef _SDLname_h_
#define _SDLname_h_
#if defined(__STDC__) || defined(__cplusplus)
#define NeedFunctionPrototypes 1
#endif
#define SDL_NAME(X) SDL_##X
#endif /* _SDLname_h_ */