How can I get a graph of the data flow along with the c-use and p-use variables of the C code?

Is there an online tool / software (open source preferred) that graphs the data flow of the C code and also gives the p-use and c-use variables.


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With a tool that provides def-use (and vice versa) chaining, you can easily compute c-use and p-use.

I know 3 tools that can do this for C:

  • NCA
  • Clang
  • DMS Software Reengineering Toolkit

(What does "online" mean?)



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