I am not able to flush stdin

Question

How to flush the stdin??

Why is it not working in the following code snippet?

#include 
#include 
#i         


        

Answer 1

From the comp.lang.c FAQ, see:

• How can I flush pending input so that a user's typeahead isn't read at the next prompt? Will fflush(stdin) work?
• If fflush won't work, what can I use to flush input?