bool playAgain(void){
    char cRetry[2];
cRetry[0] = '\0';

    while((tolower(cRetry[0]) != 'y') && (tolower(cRetry[0]) != 'n')){
  printf("Would you like to try again? [y/n]");
        fgets(cRetry, 2, stdin);
            }

 return(tolower(cRetry[0]) == 'y');
}