>From man page for global:

-r, --reference, --rootdir
              Print  reference tags.  Reference means the reference to a
symbol which has definitions.  With the -p option, print the root directory
of
              the project.

I have  a use case where I want to know all function/method calls in my
large source tree. I don't have all functions defined, but I would like to
still know/find these symbols.

Is this possible? I have read that C++ parser seems to be on way to
deprecation (!!), are there other means possible to seek out even undefined
references?

Thanks.

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