--- libaitio/inc/aitio.h	2012/03/29 09:37:19	1.16.2.1
+++ libaitio/inc/aitio.h	2012/03/29 12:23:00	1.16.2.2
@@ -3,7 +3,7 @@
 *  by Michael Pounov <misho@elwix.org>
 *
 * $Author: misho $
-* $Id: aitio.h,v 1.16.2.1 2012/03/29 09:37:19 misho Exp $
+* $Id: aitio.h,v 1.16.2.2 2012/03/29 12:23:00 misho Exp $
 *
 **************************************************************************
 The ELWIX and AITNET software is distributed under the following
@@ -122,7 +122,7 @@ typedef struct {
 #define AIT_BLOB_CHUNKS(_vl, _n)	(assert((_vl)), AIT_LEN((_vl)) / _n + (AIT_LEN((_vl)) % _n) ? 1 : 0)
 #define AIT_ISEMPTY(_vl)		(assert((_vl)), AIT_TYPE((_vl)) == empty)
 
-#define AIT_GET_LIKE(_vl, _type)	(assert((_vl)), (_type) (_vl)->val.ptr)
+#define AIT_GET_LIKE(_vl, _type)	((_type) ((_vl) ? (_vl)->val.ptr : NULL))
 
 #define AIT_GET_PTR(_vl)		(assert((_vl)), assert(AIT_TYPE((_vl)) == ptr), (_vl)->val.ptr)
 #define AIT_GET_DATA(_vl)		(assert((_vl)), assert(AIT_TYPE((_vl)) == data), (_vl)->val_data)
@@ -376,7 +376,7 @@ inline int io_clrVars(array_t * __restrict vars);
  */
 inline void io_freeVars(array_t ** __restrict vars);
 /*
- * io_sortVars() - Sorting array with variables
+ * io_sortVars() Sorting array with variables
  *
  * @vars = Variable array
  * @order = Sort order. If =0 ascend ot !=0 descend
@@ -385,6 +385,14 @@ inline void io_freeVars(array_t ** __restrict vars);
  */
 inline void io_sortVars(array_t * __restrict vars, int order, 
 		int (*cmp)(const void*, const void*));
+/*
+ * io_findKeyVars() Find variable by key from array
+ *
+ * @vars = Variables
+ * @key = Search key
+ * return: NULL error or not found, !=NULL valid element
+ */
+ait_val_t *io_findKeyVars(array_t * __restrict vars, u_short key);
 
 
 /*