void game_init_vars(void);
void game_play_init(int, char *);
void game_init_vars(void);
void game_play_init(int, char *);
void convert_em_level(unsigned char *, int);
void prepare_em_level(void);
int sound_thread(void);
void convert_em_level(unsigned char *, int);
void prepare_em_level(void);
int sound_thread(void);