extern int mScrollX, mScrollY;
extern int mScrollX_last, mScrollY_last;
-extern boolean redraw[2 + MAX_PLAYFIELD_WIDTH + 2][2 + MAX_PLAYFIELD_HEIGHT + 2];
-extern int TEST_flag;
+void InitScrollPlayfield(void);
+void UpdatePlayfield(boolean);
+void RestorePlayfield(void);
+void DDScrollBuffer_ScrollTo(int X, int Y);
+void DDScrollBuffer_ScrollTowards(int X, int Y, double Step);
+void DDScrollBuffer_SoftScrollTo(int X, int Y, int TimeMS, int FPS);
-extern void InitScrollPlayfield();
-extern void UpdatePlayfield(boolean);
-extern void RestorePlayfield();
-
-extern void DDScrollBuffer_ScrollTo(int X, int Y);
-extern void DDScrollBuffer_ScrollTowards(int X, int Y, double Step);
-extern void DDScrollBuffer_SoftScrollTo(int X, int Y, int TimeMS, int FPS);
-
-#endif /* DDSCROLLBUFFER_H */
+#endif // DDSCROLLBUFFER_H