C classic 13-Asking real-time listening --- ShinePans

# Include

 
  
# Include

  
   
# Include

   
    
// System (); this command requires this header file # include

    
     
// Toupper # include

     
      
// Header file void main () {char letter; // Letter typed by the userprintf ("Do you want to continue? (Y/N): "); letter = _ getch (); // Get the letter = toupper (letter); // Convert letter to uppercasewhile (letter! = 'Y') & (letter! = 'N') {_ putch (7); // Beep the speakerletter = _ getch (); // Get the letter = toupper (letter ); // Convert letter to uppercase} printf ("\ nYour response was % c \ n", letter); system ("pause ");}