pieslice(),setcolor(),setbkcolor()

#include<graphics.h>
#include<stdio.h>
int main()
{
int i;
int graphdriver=DETECT;
int graphmode;
initgraph(&graphdriver,&graphmode,"");
cleardevice();
setcolor(4);
setbkcolor(BLUE);
pieslice(200,200,0,90,100);
rectangle(301,301,401,401);
getch();
closegraph();
return 0;
}