extern int getdirparams __P((const struct vol *, u_int16_t, struct path *,
struct dir *, char *, int *));
extern int setdirparams __P((const struct vol *, struct path *, u_int16_t, char *));
extern int getdirparams __P((const struct vol *, u_int16_t, struct path *,
struct dir *, char *, int *));
extern int setdirparams __P((const struct vol *, struct path *, u_int16_t, char *));