Move a char along the radius of circumference

#include<graphics.h>

#include<math.h>

void main()

{

int x_cor,y_cor,radius,i;

int gd=DETECT,gm;

printf("Wellcome back .........TM\n\n");

printf("Enter Centre Co-ordinates of a circle :- ");

scanf("%d %d",&x_cor,&y_cor);

printf("\n Enter the Radius of a Circle:- ");

scanf("%d",&radius);

initgraph(&gd,&gm," ");

for(i=0;i<=radius;i++)

{

cleardevice();

circle(x_cor,y_cor,radius);

line(x_cor,y_cor,x_cor+radius,y_cor);

settextstyle(TRIPLEX_FONT,HORIZ_DIR,4);

outtextxy(x_cor+i,y_cor-32,"T");

delay(300);

}

getch();

}

Output