extern LRESULT CALLBACK fgPlatformWindowProc( HWND hWnd, UINT uMsg,
WPARAM wParam, LPARAM lParam );
extern void fgPlatformInitSystemTime();
extern LRESULT CALLBACK fgPlatformWindowProc( HWND hWnd, UINT uMsg,
WPARAM wParam, LPARAM lParam );
extern void fgPlatformInitSystemTime();