1 #include "mplot.h"
2 void circ(double xc, double yc, double r){
3 	Point p;
4 	int rad;
5 	p.x=SCX(xc);
6 	p.y=SCY(yc);
7 	if (r < 0) 
8 		rad=SCR(-r);
9 	else
10 		rad=SCR(r);
11 	ellipse(screen, p, rad, rad, 0, getcolor(e1->foregr), ZP);
12 }