user33435: I've seen * used with arrays in some programs but not in others. The page on arrays doesn't mention it at all, but I often see it near functions when values are being passed.
Where would I find more information on this?

user31106: You are asking about Pointers -
 https://www.tutorialspoint.com/cprogramming/c_pointers.htm. 

33435: <p>I've seen * used with arrays in some programs but not in others. <a href="https://www.arduino.cc/en/reference/array" rel="nofollow noreferrer">The page on arrays</a> doesn't mention it at all, but I often see it near functions when values are being passed.</p>

<p>Where would I find more information on this?</p>
 31106: <p>You are asking about Pointers -
 <a href="https://www.tutorialspoint.com/cprogramming/c_pointers.htm" rel="nofollow noreferrer">https://www.tutorialspoint.com/cprogramming/c_pointers.htm</a>. </p>
