+
+void surf_action_lmm_update_index_heap(void *action, int i); /* callback for heap management shared by cpu and net models */
+void surf_action_lmm_heap_insert(xbt_heap_t heap, surf_action_lmm_t action,
+ double key, enum heap_action_type hat);
+void surf_action_lmm_heap_remove(xbt_heap_t heap,surf_action_lmm_t action);
+
+