ZFS_IOC_NEXT_OBJ
{ (uint_t)ZFS_IOC_NEXT_OBJ, "ZFS_IOC_NEXT_OBJ",
err = ioctl(lhdl->libzfs_fd, ZFS_IOC_NEXT_OBJ, &zc);
ZFS_IOC_NEXT_OBJ,
CHECK(ZFS_IOC_BASE + 53 == ZFS_IOC_NEXT_OBJ);
zfs_ioctl_register_dataset_read(ZFS_IOC_NEXT_OBJ,