-extern int do_mount (guestfs_h *handle, const char *device, const char *mountpoint);
-extern int do_sync (guestfs_h *handle);
-extern int do_touch (guestfs_h *handle, const char *path);
+extern int do_mount (const char *device, const char *mountpoint);
+extern int do_sync ();
+extern int do_touch (const char *path);