66 struct observer  struct
79   struct observer *observer;  argument
89   node->observer = XMALLOC (struct observer);  in xalloc_observer_list_node()
99   xfree (node->observer);  in xfree_observer_list_node()
107 static struct observer *
115   observer_list->observer->notify = notify;  in generic_observer_attach()
116   observer_list->observer->data = data;  in generic_observer_attach()
119   return observer_list->observer;  in generic_observer_attach()
127 			 const struct observer *observer)  in generic_observer_detach()  argument
134       if (current_node->observer == observer)  in generic_observer_detach()
162       (*current_node->observer->notify) (current_node->observer->data, args);  in generic_observer_notify()