+/* Search closest match in the tree */
+rbl_t *rbl_search_closest_greater_rbl(rbltree_t *tree, void *data)
+{
+ rbl_t *rbl;
+
+ rbl = rbl_search_closest_rbl(tree, data);
+
+ if(rbl)
+ {
+ if(tree->compare(data, rbl->data) > 0)
+ rbl = rbl->next;
+ }
+
+ return rbl;
+}
+
+/* Search closest match in the tree */
+rbl_t *rbl_search_closest_smaller_rbl(rbltree_t *tree, void *data)
+{
+ rbl_t *rbl;
+
+ rbl = rbl_search_closest_rbl(tree, data);
+
+ if(rbl)
+ {
+ if(tree->compare(data, rbl->data) < 0)
+ rbl = rbl->next;
+ }
+
+ return rbl;
+}
+