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- #define NIL 50
-
- #define Unused { NIL, NIL }
-
- #define Centre { 0, 0 }
-
- #define North { 0, 25 }
- #define South { 0, -25 }
- #define East { 25, 0 }
- #define West { -25, 0 }
-
- #define Northeast { 25, 25 }
- #define Northwest { -25, 25 }
- #define Southeast { 25, -25 }
- #define Southwest { -25, -25 }
-
- struct coord
- {
- int x;
- int y;
- };
-
- struct mapping
- {
- long mask;
- struct coord start;
- struct coord middle;
- struct coord finish;
- };
-
- extern struct mapping coordline[];
- extern struct mapping coordhole[];
- extern int size_coordline;
- extern int size_coordhole;
-
-