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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def tdController(self):
 """Get the next controller while iterating. :return: a dict with the keys: id, type, name, available. """

        cid = c_int()
        ctype = c_int()
        name = create_string_buffer(255)
        available = c_int()

        self._lib.tdController(byref(cid), byref(ctype), name, sizeof(name),
                               byref(available))
        return {'id': cid.value, 'type': ctype.value,
                'name': self._to_str(name), 'available': available.value}