What is the key difference between a function prototype and a function declaration?

Answer 1

Function prototype contains a semicolon at its end.
Function declaration do not contain a semicolon at its end :)
I knew the answer. I wrote it. Stupid or revision? ;)

Answer 2

How is that supposed to be a revision?
Plus, this section is called Q/A and not note taking.

Answer 3

you're right man! I was just kidding. hope my question gave you some knowledge.