-int (*mapProcs[NMAPS])();
-
-int drawAll(SimView *view);
-int drawRes(SimView *view);
-int drawCom(SimView *view);
-int drawInd(SimView *view);
-int drawPower(SimView *view);
-int drawLilTransMap(SimView *view);
-int drawPopDensity(SimView *view);
-int drawRateOfGrowth(SimView *view);
-int drawTrafMap(SimView *view);
-int drawPolMap(SimView *view);
-int drawCrimeMap(SimView *view);
-int drawLandMap(SimView *view);
-int drawFireRadius(SimView *view);
-int drawPoliceRadius(SimView *view);
-int drawDynamic(SimView *view);
+void (*mapProcs[NMAPS])();
+
+void drawPopDensity(SimView *view);
+void drawRateOfGrowth(SimView *view);
+void drawTrafMap(SimView *view);
+void drawPolMap(SimView *view);
+void drawCrimeMap(SimView *view);
+void drawLandMap(SimView *view);
+void drawFireRadius(SimView *view);
+void drawPoliceRadius(SimView *view);
+void ditherMap(SimView *view);
+void drawRect(SimView *view, int pixel, int solid,
+ int x, int y, int w, int h);
+void maybeDrawRect(SimView *view, int val,
+ int x, int y, int w, int h);