/**
* Get the message that should currently be sent.
+ * The returned message is only valid until #GNUNET_MQ_impl_send_continue
+ * is called.
* Fails if there is no current message.
* Only useful for implementing message queues,
* results in undefined behavior if not used carefully.
*
- * @param mq message queue with the current message
+ * @param mq message queue with the current message, only valid
+ * until #GNUNET_MQ_impl_send_continue is called
* @return message to send, never NULL
*/
const struct GNUNET_MessageHeader *