Symbol: zfs_check_snap_cb
usr/src/lib/libzfs/common/libzfs_dataset.c
3817
rv = zfs_iter_filesystems(zhp, zfs_check_snap_cb, dd);
usr/src/lib/libzfs/common/libzfs_dataset.c
3833
(void) zfs_check_snap_cb(zfs_handle_dup(zhp), &dd);