--- libaitio/inc/aitio.h	2012/08/29 13:30:28	1.24.2.4
+++ libaitio/inc/aitio.h	2012/09/03 09:26:34	1.25.2.1
@@ -3,7 +3,7 @@
 *  by Michael Pounov <misho@elwix.org>
 *
 * $Author: misho $
-* $Id: aitio.h,v 1.24.2.4 2012/08/29 13:30:28 misho Exp $
+* $Id: aitio.h,v 1.25.2.1 2012/09/03 09:26:34 misho Exp $
 *
 **************************************************************************
 The ELWIX and AITNET software is distributed under the following
@@ -547,12 +547,22 @@ inline void io_freeVar(ait_val_t ** __restrict val);
  */
 ait_val_t *io_makeVar(ait_type_t type, ...);
 /*
- * io_hashVar() - Generate hash key for variable
+ * io_sprintfVar() - Builtin string variable from formatted input
  *
  * @v = variable
+ * @fmt = format string
+ * @... = argument(s)
+ * return: -1 error or >0 copied bytes to variable
+ */
+int io_sprintfVar(ait_val_t * __restrict v, const char *fmt, ...);
+/*
+ * io_hashVar() - Generate hash key for variable from string or value
+ *
+ * @v = variable
+ * @key = key string for hash, if =NULL hash will built from variable
  * return: hash key
  */
-unsigned short io_hashVar(ait_val_t * __restrict v);
+unsigned short io_hashVar(ait_val_t * __restrict v, const char * __restrict key);
 /*
  * io_allocVars() - Allocate ait_val_t array
  *