Menu Function for C

void menu()
{
    system("cls");

  printf("\n\n\n\t\t\xB2\xB2\xB2\xB2\xB2\xB2\xB2 Welcome to Hostel Management System \xB2\xB2\xB2\xB2\xB2\xB2\xB2\n\n");
  printf("\t\tProject by\n\t\t\xB2\xB2\xB2 Rubyda Hossain\n\t\t\xB2\xB2\xB2 Atanu Das\n\t\t\xB2\xB2\xB2 S. M. Abrar Rajin\n");
  printf("\t\t===================================================\n");
  printf("   \t\t\t\t   Main Menu\n");
  printf("\t\t===================================================\n\n");
  printf("\t\t\xB2\xB2\xB2  1. Add new record\n\t\t\xB2\xB2\xB2\n");
  printf("\t\t\xB2\xB2\xB2  2. Edit/Update record\n\t\t\xB2\xB2\xB2\n");
  printf("\t\t\xB2\xB2\xB2  3. Erase record\n\t\t\xB2\xB2\xB2\n");
  printf("\t\t\xB2\xB2\xB2  4. Check the details of a students record\n\t\t\xB2\xB2\xB2\n");
  printf("\t\t\xB2\xB2\xB2  5. View the list of all students\n\t\t\xB2\xB2\xB2\n");
  printf("\t\t\xB2\xB2\xB2  6. Exit\n\n\n");

  printf("\t\t     Press the corresponding number to select the option: ");

  switch(getch())
  {
    case '1':
        addRecord();
        break;
    case '2':
        editRecord();
        break;
    case '3':
        deleteRecord();
        break;
    case '4':
        checkDetails();
        break;
    case '5':
        listofAllStudents();
        break;
    case '6':
        exit_f();
        break;
    default:
        menu();
  }
}