-XBT_PUBLIC(void) MC_assert_stateful(int);
-XBT_PUBLIC(int) MC_random(int min, int max);
-XBT_PUBLIC(void) MC_diff();
+XBT_PUBLIC(void) MC_automaton_new_propositional_symbol(const char* id, void* fct);
+XBT_PUBLIC(void *) MC_snapshot(void);
+XBT_PUBLIC(int) MC_compare_snapshots(void *s1, void *s2);
+XBT_PUBLIC(void) MC_cut(void);
+XBT_PUBLIC(void) MC_ignore(void *addr, size_t size);
+
+#else
+
+#define MC_is_active() 0
+#define MC_visited_reduction() 0
+
+#define MC_assert(a) xbt_assert(a)
+#define MC_automaton_new_propositional_symbol(a, b) ((void)0)
+#define MC_snapshot() ((void*)0)
+#define MC_compare_snapshots(a, b) 0
+#define MC_cut() ((void)0)
+#define MC_ignore(a, b) ((void)0)
+
+#endif
+
+SG_END_DECL()