WAIT_YN.txt

#include <stdio.h>

#include <ctype.h>

#include <conio.h>

 

void main()

{

   char letter;  // Letter typed by the user

 

   printf("Do you want to continue? (Y/N): ");

 

   letter = getch();          // Get the letter 

   letter = toupper(letter);  // Convert letter to uppercase

 

   while ((letter != 'Y') && (letter != 'N'))

     {

       putch(7);                  // Beep the speaker

       letter = getch();          // Get the letter 

       letter = toupper(letter);  // Convert letter to uppercase

     }

 

   printf("\nYour response was %c\n", letter);

}

 

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