I use Doxygen, it solves this problem.

2009/6/29, Luis Moreira <Luis.Moreira@jet.uk>:
> Hi All,
> As my programs are growing is getting increasingly difficult to keep
> track of all the functions and how they interact with each other in a
> way that I can pass the info to others or even to remember how it works
> after a few months without using the program.
> For OOP I use UML to describe my packages and classes in a schematic
> way, but for C programs it does not seem to work very well. I just
> wander if you had the same problem and how did you got around it.
> I have a lot of comments on my functions but having an overall diagram
> of the program would help.
> Best Regards
> 		Luis
>
>
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-- 
Marcelo dos Santos Rodrigues
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