--- libaitmqtt/inc/aitmqtt.h	2022/09/14 17:37:13	1.3.4.10
+++ libaitmqtt/inc/aitmqtt.h	2022/09/14 21:44:21	1.3.4.11
@@ -3,7 +3,7 @@
 *  by Michael Pounov <misho@openbsd-bg.org>
 *
 * $Author: misho $
-* $Id: aitmqtt.h,v 1.3.4.10 2022/09/14 17:37:13 misho Exp $
+* $Id: aitmqtt.h,v 1.3.4.11 2022/09/14 21:44:21 misho Exp $
 *
 **************************************************************************
 The ELWIX and AITNET software is distributed under the following
@@ -470,47 +470,40 @@ mqtt_msg_t *mqtt_msgPUBCOMP(unsigned short msgID);
 /*
  * mqtt_msgSUBSCRIBE() Create SUBSCRIBE message
  *
- * @buf = Message buffer
  * @Topics = MQTT subscription topics
  * @msgID = MessageID
  * @Dup = Duplicate message
  * @QOS = QoS
- * return: -1 error or >-1 message size for send
+ * return: NULL error or allocated SUBSCRIBE message
  */
-int
-mqtt_msgSUBSCRIBE(mqtt_msg_t * __restrict buf, mqtt_subscr_t * __restrict Topics, 
+mqtt_msg_t *mqtt_msgSUBSCRIBE(mqtt_subscr_t ** __restrict Topics, 
 		unsigned short msgID, unsigned char Dup, unsigned char QOS);
 /*
  * mqtt_msgSUBACK() Create SUBACK message
  *
- * @buf = Message buffer
  * @Topics = MQTT subscription topics
  * @msgID = MessageID
- * return: -1 error or >-1 message size for send
+ * return: NULL error or allocated SUBACK message
  */
-int mqtt_msgSUBACK(mqtt_msg_t * __restrict buf, mqtt_subscr_t * __restrict Topics, 
-		unsigned short msgID);
+mqtt_msg_t *mqtt_msgSUBACK(mqtt_subscr_t ** __restrict Topics, unsigned short msgID);
 /*
  * mqtt_msgUNSUBSCRIBE() Create UNSUBSCRIBE message
  *
- * @buf = Message buffer
  * @Topics = MQTT subscription topics
  * @msgID = MessageID
  * @Dup = Duplicate message
  * @QOS = QoS
- * return: -1 error or >-1 message size for send
+ * return: NULL error or allocated UNSUBSCRIBE message
  */
-int
-mqtt_msgUNSUBSCRIBE(mqtt_msg_t * __restrict buf, mqtt_subscr_t * __restrict Topics, 
+mqtt_msg_t *mqtt_msgUNSUBSCRIBE(mqtt_subscr_t ** __restrict Topics, 
 		unsigned short msgID, unsigned char Dup, unsigned char QOS);
 /*
  * mqtt_msgUNSUBACK() Create UNSUBACK message
  *
- * @buf = Message buffer
  * @msgID = MessageID
- * return: -1 error or >-1 message size for send
+ * return: NULL error or allocated UNSUBACK message
  */
-int mqtt_msgUNSUBACK(mqtt_msg_t * __restrict buf, unsigned short msgID);
+mqtt_msg_t *mqtt_msgUNSUBACK(unsigned short msgID);
 
 
 /*** RECEIVER FUNCTIONS ***/