def read_cstring(self, terminator=b'\x00'):
        """Reads a single null termianted string

        :return: string without bytes
        :rtype: :class:`bytes`
        """
        null_index = self.data.find(terminator, self.offset)
        if null_index == -1:
            raise RuntimeError("Reached end of buffer")
        result = self.data[self.offset:null_index]  # bytes without the terminator
        self.offset = null_index + len(terminator)  # advance offset past terminator
        return result
Reads a single null termianted string

        :return: string without bytes
        :rtype: :class:`bytes`