-/* return the heap used when NULL is passed as first argument to any mm* function */
-XBT_PUBLIC xbt_mheap_t mmalloc_get_default_md(void);
-
-/* To change the heap used when using the legacy version malloc/free/realloc and such */
-xbt_mheap_t mmalloc_set_current_heap(xbt_mheap_t new_heap);