/* YORN - a program to get a yes or no answer */

#include <stdio.h>
#include <conio.h>
#include <ctype.h>

#define TRUE 1		//this is "true" in C
#define FALSE !TRUE	//this is "not true"

void main()
{
	char c;
	int done;

	printf("Enter your response, please:");
	done=FALSE;	//no, we're not done looping

	while(!done)	//loop while not done
	{
		printf("\nY for Yes or N for No:");
		c=toupper(getch());
		if(c=='Y' || c=='N')
			done=TRUE;
	}
	printf("%c\n",c);
}