-int mmalloc_compare_heap(xbt_mheap_t heap1, xbt_mheap_t heap2, xbt_dynar_t *stacks1, xbt_dynar_t *stacks2, xbt_dynar_t *equals);
-int mmalloc_linear_compare_heap(xbt_mheap_t heap1, xbt_mheap_t heap2);
-
-void mmalloc_backtrace_block_display(void* heapinfo, int block);
-void mmalloc_backtrace_fragment_display(void* heapinfo, int block, int frag);
-void mmalloc_backtrace_display(void *addr);
+size_t mmalloc_get_bytes_used(xbt_mheap_t);
+ssize_t mmalloc_get_busy_size(xbt_mheap_t, void *ptr);