C uses formatted output. The printf function has a special formatting character (%) - a character following this defines a certain format for a variable:
NOTE: Format statement enclosed in ``...'', variables follow after. Make sure order of format and variable data types match up.
scanf() is the function for inputting values to a data structure: Its format is similar to printf:
NOTE: & before variables. Please accept this for now and remember to include it. It is to do with pointers which we will meet later (Section ).