extern int guestfs_scrub_device (guestfs_h *handle, const char *device);
extern int guestfs_scrub_file (guestfs_h *handle, const char *file);
extern int guestfs_scrub_freespace (guestfs_h *handle, const char *dir);
extern int guestfs_scrub_device (guestfs_h *handle, const char *device);
extern int guestfs_scrub_file (guestfs_h *handle, const char *file);
extern int guestfs_scrub_freespace (guestfs_h *handle, const char *dir);