change_item
Device::Changed(change_item** changeList, bool added)
change_item* changeItem = new(std::nothrow) change_item;
Hub::Changed(change_item **changeList, bool added)
Hub::Explore(change_item **changeList)
change_item *changeItem = NULL;
change_item *next = changeItem->link;
virtual status_t Changed(change_item **changeList,
virtual status_t Changed(change_item **changeList,
void Explore(change_item **changeList);
change_item *link;