-XBT_PUBLIC(int) MC_random(void);
-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_automaton_new_propositional_symbol(const char* id, int(*fct)(void));
+XBT_PUBLIC(void) MC_automaton_new_propositional_symbol_pointer(const char *id, int* value);
+
+XBT_PUBLIC(void) MC_cut(void);
+XBT_PUBLIC(void) MC_ignore(void *addr, size_t size);
+
+XBT_PUBLIC(void) MC_ignore_heap(void* address, size_t size);
+XBT_PUBLIC(void) MC_unignore_heap(void* address, size_t size);
+XBT_PUBLIC(void) MC_ignore_local_variable(const char* var_name, const char* frame);
+XBT_PUBLIC(void) MC_ignore_global_variable(const char* var_name);