Typemap for char** a

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Typemap for char** a

I'm trying to create a perl typemap for a function that returns errors
to a char** passed as a parameter. The function looks like this:

void FooInitialize(int nargs, char** arg_list, char** errorsOut);

errorsOut should contain any errors that were encountered within
FooInitialize. I just can't figure out how to get errorsOut to refer to
a PERL array.

I've been reading swig and perl documentation all day today and I can't
find anything. I think I've figured out the char** arg_list because I've
  edited the wrapped code to print out the value of *arg2 and all looks

Also, am I accessing the function the correct way from perl (by passing
the arrays as references)?

@fooargs = ("--port 1234","--config-file foo.xml");

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