tdisk.c - plan9port - [fork] Plan 9 from user space
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       ---
       tdisk.c (224B)
       ---
            1 #include "mplot.h"
            2 void plotdisc(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         fillellipse(screen, p, rad, rad, getcolor(e1->foregr), ZP);
           12 }