A small thread on this that may be of help
http://stackoverflow.com/questions/1770290/how-can-i-list-all-function-prototypes-used-in-a-given-c-file-with-perl

On Thu, Mar 11, 2010 at 9:02 AM, kitepilot@kitepilot.com <
kitepilot@kitepilot.com> wrote:

> Hello there...
>
> I have this extensive C++ code base from which I want to know every
> function
> prototype.
> Yes, I can write a script to get them, but from experience *I KNOW* that it
> will take me longer than I anticipate and more effort than I want to commit
> to writing such a script.
>
> I am using the IBM XL C/C++ compiler (2007), which doesn't seem to have an
> option to produce for me such a listing.
>
> Does anybody know of something out there to accomplish this?
> Thanks!
> Enrique
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