编译原理作业画任意圆弧

#include <math.h>
#include <stdio.h>
#include <stdlib.h>
#include <graphics.h>

void Initialize()
{
/*自动进行硬件测试后进行图形初始化*/
int gdriver , gmode ;

detectgraph( &gdriver , &gmode ) ;
/*printf("the graphics driver is %d , mode is %d \n" , gdriver , gmode );*/

getch();


/*"c:\\turboc2")路径要书写正确*/
initgraph( &gdriver , &gmode , "c:\\TC");

cleardevice();

}
main( )
{
int xo,yo,xb,yb,xc,yc,xa,ya,r,f;
float j1,j2;
Initialize( );
        xo=200;
        yo=200;
        r=100;