-float sol_step(struct s_file *, const float *, float, int, int *);
-
-int sol_coin_test(struct s_file *, float *, float);
-struct s_goal *sol_goal_test(struct s_file *, float *, int);
-int sol_jump_test(struct s_file *, float *, int);
-int sol_swch_test(struct s_file *, int);
-
-/*---------------------------------------------------------------------------*/
-
-void put_file_state(FILE *, struct s_file *);
-void get_file_state(FILE *, struct s_file *);
-