- changed internalID of HipadabaCallbacks to void*

hipadaba.h

@@ -87,7 +87,7 @@ typedef struct __hdbcallback {
         killUserData killFunc;
         hdbCallbackFunction userCallback;
         int id;
-        int internalID;
+        void *internalID;
         struct __hdbcallback *next;
         struct __hdbcallback *previous;
         }hdbCallback, *pHdbCallback;
@@ -250,14 +250,14 @@ int CountHdbChildren(pHdb node);
  * @param killFunc A function for freeing the userData. Can be NULL, then it will 
  * not be invoked
  * @param id An ID associated with this callback
- * @param internalID Another ID to be associated with this callback. ID's come in
- * useful when callbacks have to be deleted in  a later stage.
- * @return A new suitabvly initialised callback structure or NULL when required elements 
+ * @param internalID Another ID to be associated with this callback. Typically a
+ * reference to the owner object responsible for deleting the callback.
+ * @return A new suitabaly initialised callback structure or NULL when required elements 
  * are missing or there is nor memory.
  */   
 pHdbCallback MakeHipadabaCallback(hdbCallbackFunction func, 
 				       void *userData, killUserData killFunc,
-				       int id, int internalID);
+				       int id, void *internalID);
 /**
  * add a callback at the end of the callback chain
  * @param node The node to which to append the callback
@@ -283,7 +283,7 @@ void RemoveHipadabaCallback(pHdb root, int id);
  * @param root The starting node from where to start removing callbacks
  * @param internalID The internal ID callbacks have to match in order to be removed.
  */
-void InternalRemoveHipadabaCallback(pHdb root, int internalID);
+void InternalRemoveHipadabaCallback(pHdb root, void *internalID);
 /**
  * invoke a callback chain.
  * @param root The callback chain to invoke