What should I use?? gets()?fgets()? scanf()? And why?

Answer 1

Dont use gets, use fgets or scanf

Answer 2

Of course, you just use them to get input from the stream. scanf does it with formatting

Answer 3

Slick , I'm sorry, I have edited my question

I forgot to ask the reason behind your suggestion..
Can you kindly explain, why fgets/scanf?