How to declare a function

I have not programed in so long, I forgot the syntax for the 3 nessesities of a function: Declaring, calling, and of course, setting it up.

Nevermind, I finally found it in the tutorials.

http://www.cprogramming.com/tutorial.html

Some mod lock this, as a testament to the power of the tutorials, oh, and so that i am restrained from posting for no reason