Page 407 - C++

{
clrscr();
draw_box(4,19,25,70);
gotoxy(30,7);
cout<<" 1.Add a Student Information";
gotoxy(30,10);
cout<<" 2.Delete a Student Information";
gotoxy(30,13);
cout<<" 3.Modify a Student Information";
gotoxy(30,16);
cout<<" 4.Quit to Main Menu";
gotoxy(30,20);
cout<<" Enter Ur Choice";
cin>>ch1;
switch(ch1)
{
case 1: add();
break;
case 2: del();
break;
case 3: modify();
break;
case 4:return;
default:cout<<"\n\n\t\t@#!WRONG CHOICE ENTERED!#@";
}
}while(ch1!=5);
}

//*********************************************************
//***********FUNCTION FOR SUB MENU OF FEE******************
//*********************************************************

void fee_menu()
{
int ch2;
do
{
clrscr();
draw_box(4,19,25,70);
gotoxy(30,7);
cout<<" 1. Add Fee Structure";
gotoxy(30,10);
cout<<" 2. Delete Fee Structure";
gotoxy(30,13);
cout<<" 3. Modify Fee Structure ";
gotoxy(30,16);
cout<<" 4. Return to Main Menu";
gotoxy(30,20);
cout<<" Enter Ur Choice";
cin>>ch2;
switch(ch2)
{
case 1: ADDITION();
break;