#include<stdio.h>

#include<conio.h>

#include<graphics.h>

#include<dos.h>

struct time t;
void display(int,int,int);
void main()
{
int i=0,gd=DETECT,gm,hr,min,sec;
clrscr();
initgraph(&gd,&gm,”c:\turboc3\bgi”);
setcolor(GREEN);
settextstyle(4,0,7);

while(!kbhit())  
{  
   gettime(&t);  
   hr=t.ti_hour;  
   min=t.ti_min;  
   sec=t.ti_sec;  
   i++;  

   display(100,100,hr);
  
   display(200,100,min); 
 
   display(300,100,sec);
  
          sound(400);  

   delay(30); 
 
   nosound();  

   delay(930);
  
   cleardevice();  
}  
getch();  

}
void display(int x,int y,int num)
{

 char str[3];  
 itoa(num,str,10);  

 settextstyle(4,0,7);  

 outtextxy(180,100,":");  
 outtextxy(280,100,":");  
 outtextxy(x,y,str);  

 rectangle(90,90,380,200);  
 rectangle(70,70,400,220);  

 outtextxy(90,250,"Digital Clock");  

}