sdlTolower function
extern DECLSPEC int SDLCALL SDL_tolower(int x)
Implementation
int sdlTolower(int x) {
final sdlTolowerLookupFunction =
libSdl2.lookupFunction<Int32 Function(Int32 x), int Function(int x)>(
'SDL_tolower');
return sdlTolowerLookupFunction(x);
}