-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,
+int compare_heap_area(int process_index, const void *area1, const void *area2, simgrid::mc::Snapshot* snapshot1,
+ simgrid::mc::Snapshot* snapshot2, xbt_dynar_t previous,