guestfs_set_reply_callback (g, NULL, NULL);
if (ctx.cb_sequence != 1) {
error (g, "%s reply failed, see earlier error messages", "guestfs_blockdev_getsize64");
guestfs_set_reply_callback (g, NULL, NULL);
if (ctx.cb_sequence != 1) {
error (g, "%s reply failed, see earlier error messages", "guestfs_blockdev_getsize64");