From mboxrd@z Thu Jan  1 00:00:00 1970
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Date: Thu,  1 Sep 2011 22:33:12 +0800
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From: FENG Yu Ning <fengyuning1984@gmail.com>
To: Fans of the OS Plan 9 from Bell Labs <9fans@9fans.net>
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Subject: Re: [9fans] c code differencing
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Steve Simon
> What I think I need is a program which parses C and will
> do diffs at the level of functions, globals , #defines and enums.

Code Token Comparator
http://minnie.tuhs.org/Programs/Ctcompare/index.html

Not a close match, but should be a little better than diff.

yn