[cfe-dev] Find function relations use clang

[Hao Jiang]

Hello,
I want use clang to find all the function definitions and call relation
between functions in source code of "C" language.
Right now I can use PrintFunctionNames example to get all the function
names. Which libs(FunctionDecl? Functionphototype?)  should I use to get
function parameters and return type?
Should I use ASTVistor class to traverse each function body to get all the
function calls or there are other good solutions? Any hint is appreciated
Thanks.
Regards,
Hao Jiang
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