--- mqtt/inc/defs.h	2012/07/03 12:46:00	1.4
+++ mqtt/inc/defs.h	2013/01/18 09:43:27	1.5
@@ -3,7 +3,7 @@
 *  by Michael Pounov <misho@openbsd-bg.org>
 *
 * $Author: misho $
-* $Id: defs.h,v 1.4 2012/07/03 12:46:00 misho Exp $
+* $Id: defs.h,v 1.5 2013/01/18 09:43:27 misho Exp $
 *
 **************************************************************************
 The ELWIX and AITNET software is distributed under the following
@@ -47,7 +47,10 @@ SUCH DAMAGE.
 #define __DEFS_H
 
 
+#ifndef STRSIZ
 #define STRSIZ			256
+#endif
+
 #define RETAIN_TIMEOUT		1
 
 #define DEFAULT_RETRY		1