--- libaitmqtt/inc/aitmqtt.h	2022/09/14 14:32:48	1.3.4.9
+++ libaitmqtt/inc/aitmqtt.h	2022/09/14 17:37:13	1.3.4.10
@@ -3,7 +3,7 @@
 *  by Michael Pounov <misho@openbsd-bg.org>
 *
 * $Author: misho $
-* $Id: aitmqtt.h,v 1.3.4.9 2022/09/14 14:32:48 misho Exp $
+* $Id: aitmqtt.h,v 1.3.4.10 2022/09/14 17:37:13 misho Exp $
 *
 **************************************************************************
 The ELWIX and AITNET software is distributed under the following
@@ -426,7 +426,6 @@ mqtt_msg_t *mqtt_msgPINGRESP();
 /*
  * mqtt_msgPUBLISH() Create PUBLISH message
  *
- * @buf = Message buffer
  * @csTopic = Publish topic
  * @msgID = MessageID >0, if QOS != MQTT_QOS_ONCE
  * @Dup = Duplicate message
@@ -434,43 +433,39 @@ mqtt_msg_t *mqtt_msgPINGRESP();
  * @Retain = Retain message
  * @pData = Publish data into topic
  * @datlen = Publish data length
- * return: -1 error or >-1 message size for send
+ * return: NULL error or allocated PUBLISH message
  */
-int mqtt_msgPUBLISH(mqtt_msg_t * __restrict buf, const char *csTopic, 
-		unsigned short msgID, unsigned char Dup, unsigned char QOS, 
+mqtt_msg_t *mqtt_msgPUBLISH(const char *csTopic, unsigned short msgID, 
+		unsigned char Dup, unsigned char QOS, 
 		unsigned char Retain, const void *pData, int datlen);
 /*
  * mqtt_msgPUBACK() Create PUBACK message
  *
- * @buf = Message buffer
  * @msgID = MessageID
- * return: -1 error or >-1 message size for send
+ * return: NULL error or allocated PUBACK message
  */
-int mqtt_msgPUBACK(mqtt_msg_t * __restrict buf, unsigned short msgID);
+mqtt_msg_t *mqtt_msgPUBACK(unsigned short msgID);
 /*
  * mqtt_msgPUBREC() Create PUBREC message
  *
- * @buf = Message buffer
  * @msgID = MessageID
- * return: -1 error or >-1 message size for send
+ * return: NULL error or allocated PUBREC message
  */
-int mqtt_msgPUBREC(mqtt_msg_t * __restrict buf, unsigned short msgID);
+mqtt_msg_t *mqtt_msgPUBREC(unsigned short msgID);
 /*
  * mqtt_msgPUBREL() Create PUBREL message
  *
- * @buf = Message buffer
  * @msgID = MessageID
- * return: -1 error or >-1 message size for send
+ * return: NULL error or allocated PUBREL message
  */
-int mqtt_msgPUBREL(mqtt_msg_t * __restrict buf, unsigned short msgID);
+mqtt_msg_t *mqtt_msgPUBREL(unsigned short msgID);
 /*
  * mqtt_msgPUBCOMP() Create PUBCOMP message
  *
- * @buf = Message buffer
  * @msgID = MessageID
- * return: -1 error or >-1 message size for send
+ * return: NULL error or allocated PUBCOMP message
  */
-int mqtt_msgPUBCOMP(mqtt_msg_t * __restrict buf, unsigned short msgID);
+mqtt_msg_t *mqtt_msgPUBCOMP(unsigned short msgID);
 
 /*
  * mqtt_msgSUBSCRIBE() Create SUBSCRIBE message