You wrote:

> I am having a problem working my way down the function tree, and was
> wondering if anyone knew of any software that would swallow the
> source code, and spit out a dependency tree that would help me sort
> out how the execution flow moves between the various bits, and where
> the various definitions are. It is currently taking me an age to work
> my way through it.

You could also try Microsoft VC++. I haven't done any C with it, and I
haven't used the free Express version in a while, but it may work. If it
works, the advantage compared to something like Doxygen is that it is
more interactive; it's easier to get the pieces that you want in sight.

Gerhard
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