+/* in prep.c */
+typedef struct prep_data prep_data;
+extern void list_prepared_drives (void);
+extern prep_data *create_prepared_file (const char *type_string,
+ const char *filename);
+extern void prepare_drive (const char *filename, prep_data *data,
+ const char *device);
+
+/* in progress.c */
+extern void reset_progress_bar (void);
+extern void progress_callback (guestfs_h *g, void *data, int proc_nr, int serial, uint64_t position, uint64_t total);
+