extern char sot_debug_mode;
extern char sot_ai_mode;
extern int sea_fog_near,sea_fog_far;
extern int sot_clash_camera;
extern int sot_sea_mode;
extern float sot_screw_max;
extern int ylight[],rlight[];
extern int crs6_flag;
extern int endsun_x,endsun_y,endsun_z;


extern void sot_menu_init(void);
extern void sot_course_init(void);