extern char **guestfs_find (guestfs_h *handle, const char *directory);
extern int guestfs_e2fsck_f (guestfs_h *handle, const char *device);
extern int guestfs_sleep (guestfs_h *handle, int secs);
+extern int guestfs_ntfs_3g_probe (guestfs_h *handle, int rw, const char *device);