I don't think fflush(stdin) would work in this situation. But the
reason you gave is write. One way to fix is to put a getchar() below
the scanf statement.
On Sep 13, 9:17 pm, Ankuj Gupta <ankuj2...@gmail.com> wrote:
> What I am guessing is that the stdin used by scanf is not getting
> flushed after entering a char as a result of which it is running into
> infinite loop. If you use fflush(stdin) just after scanf it will not
> be infinite loop. But I am not able to get the reason for it.
>
> On Sep 13, 3:23 pm, Avinash Dharan <avinashdha...@gmail.com> wrote:
>
> > #include <stdio.h>
> > void main()
> > {
> > while(1)
> > {
> > int opt;
> > scanf("%d",&opt);
> > printf("%d\n",opt);
> > }
>
> > }
>
> > when i execute this program, if i give a character instead of an integer, it
> > goes into an infinite loop. why is it so?
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