HomeC programming Some Useful Funtions In C byAlok Rathore -January 19, 2021 0 IMPORTANT C FUNCTION FOR BEGINNERS. Hey guys here we are going to discuss about some important function of c program which help you to learn the basics of c programming.1) printf() - it will print what you want to show in you screen.2) scanf() - it will store the values in variable. See the above image and try to understand the use of this two function. This two function are mostly used in basic of c programming. Tags: C programming Facebook Twitter