--- libelwix/inc/elwix/avar.h	2022/01/21 23:14:31	1.12.2.1
+++ libelwix/inc/elwix/avar.h	2022/01/24 17:07:24	1.12.2.2
@@ -3,7 +3,7 @@
 *  by Michael Pounov <misho@elwix.org>
 *
 * $Author: misho $
-* $Id: avar.h,v 1.12.2.1 2022/01/21 23:14:31 misho Exp $
+* $Id: avar.h,v 1.12.2.2 2022/01/24 17:07:24 misho Exp $
 *
 **************************************************************************
 The ELWIX and AITNET software is distributed under the following
@@ -392,7 +392,7 @@ array_t *ait_buffer2vars(unsigned char * __restrict bu
 /*
  * ait_vars2tlv() - Marshaling data from array with variables to TLV buffer
  *
- * @buf = Buffer
+ * @buf = Buffer, If =NULL then we return only needed buffer size
  * @buflen = Size of buffer
  * @vars = Variable array
  * return: -1 error, 0 nothing done or >0 size of marshaled data