Idfxt

This pull request is for the sake of conversation, not necessarily with the intent to merge.  yet. 
On Wednesday, December 17, 2014 01:10:15 PM Kyle Benne wrote:
> > @@ -0,0 +1,40 @@
> > +// copyright 2014, Shannon Mackey <mackey@BUILDlab.net>
> > +#ifndef JSONDATAINTERFACE_H
> > +#define JSONDATAINTERFACE_H
> > +
> > +#include <string>
> > +
> > +extern "C"
> 
> I feel like extern is not necessary, but I am not an expert.
> 

perhaps it is no longer.  try taking it out, and see what happens.

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