--- libaitio/inc/aitio.h	2011/11/03 14:22:03	1.12.2.6
+++ libaitio/inc/aitio.h	2011/12/12 15:31:18	1.12.2.12
@@ -3,7 +3,7 @@
 *  by Michael Pounov <misho@elwix.org>
 *
 * $Author: misho $
-* $Id: aitio.h,v 1.12.2.6 2011/11/03 14:22:03 misho Exp $
+* $Id: aitio.h,v 1.12.2.12 2011/12/12 15:31:18 misho Exp $
 *
 **************************************************************************
 The ELWIX and AITNET software is distributed under the following
@@ -318,12 +318,21 @@ array_t *io_map2vars(u_char *buf, int buflen, int vnum
  */
 inline array_t *io_allocVars(u_int varnum);
 /*
+ * io_clrVars() Clear ait_val_t elements from array
+ * @vars = Variable array
+ * return: -1 error or size of array
+ */
+inline int io_clrVars(array_t * __restrict vars);
+/*
  * io_freeVars() Free ait_val_t array
  * @vars = Variable array
  * return: none
  */
 inline void io_freeVars(array_t ** __restrict vars);
 
+#define io_elemVars(_vars, _n, _val)	((ait_val_t*) io_arrayElem((_vars), \
+							(_n), (void**) (_val)))
+
 /*
  * ioPromptRead() Read data from input h[0] with prompt to output h[1]
  * @h = file handles h[0] = input, h[1] = output, if NULL use stdin, stdout
@@ -515,6 +524,14 @@ int io_arrayVacuum(array_t * __restrict arr, int fromW
 						*((_arr)->arr_data + _d) = NULL; \
 					} while (0)
 
+/*
+ * io_arrayElem() - Always GET/PUT element into dynamic array, if not enough elements grow array
+ * @arr = Array
+ * @n = Position
+ * @data = Element, if set NULL GET element at position or !=NULL PUT element at position
+ * return: -1 error or !=-1 return element at position
+ */
+inline void *io_arrayElem(array_t * __restrict arr, int n, void **data);
 /*
  * io_arrayPush() - Push element into dynamic array like stack manner, place at first empty position
  * @arr = Array