dmu_objset_snapshot_one
error = dmu_objset_snapshot_one(osname, snapname);
error = dmu_objset_snapshot_one(osname, strchr(snap1name, '@') + 1);
error = dmu_objset_snapshot_one(clone1name, strchr(snap2name, '@') + 1);
error = dmu_objset_snapshot_one(clone1name, strchr(snap3name, '@') + 1);
error = dmu_objset_snapshot_one(osname, snapname);
error = dmu_objset_snapshot_one(osname, snapname);
int dmu_objset_snapshot_one(const char *fsname, const char *snapname);
err = dmu_objset_snapshot_one(name, dirname);