Symbol: lzc_rollback_to
usr/src/lib/libzfs/common/libzfs_dataset.c
4304
err = lzc_rollback_to(zhp->zfs_name, snap->zfs_name);
usr/src/lib/libzfs_core/common/libzfs_core.h
106
int lzc_rollback_to(const char *, const char *);