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Editorial Team
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Asked: 2026-05-31T03:16:28+00:00

is there such a thing as a (free) tool that would display a graph

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is there such a thing as a (free) tool that would display a graph of all functions call in a given function?
For instance, if I use it on a complex function fun() I’m trying to understand, it would show me all the functions called by fun() in order, then I would have the possibility to see the same thing for the function called by fun(), and so on.
I’m looking for this for C++ code.
Does such a thing even exist?

edit : I am using VS 2008 if that helps, but I was thinking that such a software would work on the source files anyway

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  1. Editorial Team

    Doxygen can do this. See the CALL_GRAPH configuration option:

    If the CALL_GRAPH and HAVE_DOT tags are set to YES then doxygen will generate a call dependency graph for every global function or class method. Note that enabling this option will significantly increase the time of a run. So in most cases it will be better to enable call graphs for selected functions only using the \callgraph command.

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