void synchro_2(void);
void synchro_3(void);
-boolean cleanup_em_level(unsigned char *src, int *length);
-void convert_em_level(unsigned char *src);
-void prepare_em_level(void);
+int cleanup_em_level(unsigned char *, int);
+void convert_em_level(unsigned char *, int);
+void prepare_em_level(void);
int sound_thread(void);
-int read_sample(char *name, short **data, long *length);
+int read_sample(char *, short **, long *);
void read_cave_list(void);
void free_cave_list(void);