-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);
-
-int is_free_area(void *area, xbt_mheap_t heap);
+int mmalloc_compare_heap(mc_snapshot_t snapshot1, mc_snapshot_t snapshot2);
+int mmalloc_linear_compare_heap(xbt_mheap_t heap1, xbt_mheap_t heap2);
+int init_heap_information(xbt_mheap_t heap1, xbt_mheap_t heap2, xbt_dynar_t to_ignore1, xbt_dynar_t to_ignore2);
+int compare_heap_area(int process_index, const void *area1, const void* area2, mc_snapshot_t snapshot1, mc_snapshot_t snapshot2, xbt_dynar_t previous, struct s_dw_type *type, int pointer_level);
+void reset_heap_information(void);