typedef struct xbt_propositional_symbol* xbt_propositional_symbol_t;
-XBT_PUBLIC(xbt_automaton_t) xbt_automaton_new_automaton(void);
+XBT_PUBLIC(xbt_automaton_t) xbt_automaton_new(void);
+XBT_PUBLIC(void) xbt_automaton_load(xbt_automaton_t automaton, const char *file);
XBT_PUBLIC(xbt_state_t) xbt_automaton_new_state(xbt_automaton_t a, int type, char* id);