extern int setfilmode(const char *, mode_t, struct stat *, mode_t);
extern int dir_rx_set(mode_t mode);
extern int stickydirmode(const char *name, const mode_t mode, const int dropbox, const mode_t v_umask);
extern int setfilmode(const char *, mode_t, struct stat *, mode_t);
extern int dir_rx_set(mode_t mode);
extern int stickydirmode(const char *name, const mode_t mode, const int dropbox, const mode_t v_umask);