/* File : questions.c *
* By : *
* login: *
* team : *
* Date : */
/*
* Ask the user a question.
*/
#include <stdio.h>
#include "tfdef.h"
int main()
{
printf("Don't you just love this class? ");
if (yesOrNo())
printf("YES! We knew it.\n");
else
printf("NO? Come on, you know you love this class.\n");
}
int yesOrNo(void)
{
int answer; /* holds input character */
int c;
for (;;)
{
/* process each input line */
c = getchar();
if ((answer = tolower(c)) == EOF)
return FALSE; /* EOF is NO! */
/* read characters until the end of the line */
for (; c != '\n' && c != EOF; c = getchar());
/* return an appropriate value for Yes or No */
if (answer == 'y')
return TRUE;
if (answer == 'n')
return FALSE;
/* error message if there's a problem */
printf("Please answer with a YES or NO: ");
}
}