def FUNCTION_DECL(self, cursor):
        """Handles function declaration"""
        # FIXME to UT
        name = self.get_unique_name(cursor)
        if self.is_registered(name):
            return self.get_registered(name)
        returns = self.parse_cursor_type(cursor.type.get_result())
        attributes = []
        extern = False
        obj = typedesc.Function(name, returns, attributes, extern)
        for arg in cursor.get_arguments():
            arg_obj = self.parse_cursor(arg)
            # if arg_obj is None:
            #    code.interact(local=locals())
            obj.add_argument(arg_obj)
        # code.interact(local=locals())
        self.register(name, obj)
        self.set_location(obj, cursor)
        self.set_comment(obj, cursor)
        return obj
Handles function declaration