--- libaitio/example/Attic/test_vars.c	2012/03/29 13:16:24	1.1.2.2
+++ libaitio/example/Attic/test_vars.c	2012/07/22 12:32:34	1.2.8.1
@@ -36,29 +36,32 @@ main(int argc, char **argv)
 	v = io_findKeyVars(arr, 7);
 	printf("v=%p\n", v);
 	fflush(stdout);
-	printf("search for key=7 %s\n", AIT_GET_LIKE(v, char*));
-	printf("search for key=23 %s\n", AIT_GET_LIKE(io_findKeyVars(arr, 23), char*));
-	printf("search for key=0 %s\n", AIT_GET_LIKE(io_findKeyVars(arr, 0), char*));
-	printf("search for key=99 %s\n", AIT_GET_LIKE(io_findKeyVars(arr, 99), char*));
+	printf("search for key=7 %s\n", v ? AIT_GET_LIKE(v, char*) : "");
+	v = io_findKeyVars(arr, 23);
+	printf("search for key=23 %s\n", v ? AIT_GET_LIKE(v, char*) : "");
+	v = io_findKeyVars(arr, 0);
+	printf("search for key=0 %s\n", v ? AIT_GET_LIKE(v, char*) : "");
+	v = io_findKeyVars(arr, 99);
+	printf("search for key=99 %s\n", v ? AIT_GET_LIKE(v, char*) : "");
 
 	printf("Before sorting::\n");
 	for (i = 0; i < io_arraySize(arr); i++)
 		printf("%d) KEY=%d %s\n", i, AIT_KEY(io_array(arr, i, ait_val_t*)), 
 				AIT_GET_STR(io_array(arr, i, ait_val_t*)));
 
-	io_sortVars(arr, 0, NULL);
+	io_sortVarsByKey(arr, 0);
 	printf("After KEY ascend sorting::\n");
 	for (i = 0; i < io_arraySize(arr); i++)
 		printf("%d) KEY=%d %s\n", i, AIT_KEY(io_array(arr, i, ait_val_t*)), 
 				AIT_GET_STR(io_array(arr, i, ait_val_t*)));
 
-	io_sortVars(arr, 42, NULL);
+	io_sortVarsByKey(arr, 42);
 	printf("After KEY descend sorting::\n");
 	for (i = 0; i < io_arraySize(arr); i++)
 		printf("%d) KEY=%d %s\n", i, AIT_KEY(io_array(arr, i, ait_val_t*)), 
 				AIT_GET_STR(io_array(arr, i, ait_val_t*)));
 
-	io_sortVars(arr, 0, cmpfunc);
+	io_sortVarsByVal(arr, 0, cmpfunc);
 	printf("After string sorting::\n");
 	for (i = 0; i < io_arraySize(arr); i++)
 		printf("%d) KEY=%d %s\n", i, AIT_KEY(io_array(arr, i, ait_val_t*)),