>Now I hear that that is wrong and you have to do it the other way.
This is a style issue. If your employer requires it, then their word is law. Otherwise, tell the person who said it was wrong it stuff it and do what you find most comfortable.

>But there must be a set accepted way to do this.
Why? Not everything is black and white. As a programmer you have a slew of options that are all equally good. Just pick one and be consistent with it.

>how would you expect to see the header files to be written?
I would expect them to be written with my style because my style is clearly the best.