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diff --git a/cmd/zfs/zfs_iter.h b/cmd/zfs/zfs_iter.h
new file mode 100644
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+++ b/cmd/zfs/zfs_iter.h
@@ -0,0 +1,54 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+#ifndef	ZFS_ITER_H
+#define	ZFS_ITER_H
+
+#ifdef	__cplusplus
+extern "C" {
+#endif
+
+typedef struct zfs_sort_column {
+	struct zfs_sort_column	*sc_next;
+	struct zfs_sort_column	*sc_last;
+	zfs_prop_t		sc_prop;
+	char			*sc_user_prop;
+	boolean_t		sc_reverse;
+} zfs_sort_column_t;
+
+#define	ZFS_ITER_RECURSE	   (1 << 0)
+#define	ZFS_ITER_ARGS_CAN_BE_PATHS (1 << 1)
+#define	ZFS_ITER_PROP_LISTSNAPS    (1 << 2)
+
+int zfs_for_each(int, char **, int options, zfs_type_t,
+    zfs_sort_column_t *, zprop_list_t **, zfs_iter_f, void *);
+int zfs_add_sort_column(zfs_sort_column_t **, const char *, boolean_t);
+void zfs_free_sort_columns(zfs_sort_column_t *);
+
+#ifdef	__cplusplus
+}
+#endif
+
+#endif	/* ZFS_ITER_H */