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- /* main program */
-
- #include <exec/types.h>
- #include <intuition/intuition.h>
- #include <graphics/gfxmacros.h>
-
-
- extern struct Screen *SurfScrn;
- extern struct Window *SurfWin;
- extern struct Window *CntrlWin;
- extern struct Window *GadWin;
- extern long BackColor;
- /*
- * bit masks for waiting for signals
- */
- extern short CntrlSigBit, SurfSigBit, GadSigBit;
- extern long SignalMask;
-
- extern struct RastPort *rp;
- extern struct ViewPort *vp;
-
-
-
- extern int WinFgCol;
- extern int ColorMax;
- extern int NumColors;
-
- #define DefBkPlane 0
-
-