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diff --git a/sys/contrib/opensolaris/common/zfs/zfs_prop.h b/sys/contrib/opensolaris/common/zfs/zfs_prop.h
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+/*
+ * 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 2006 Sun Microsystems, Inc. All rights reserved.
+ * Use is subject to license terms.
+ */
+
+#ifndef _ZFS_PROP_H
+#define _ZFS_PROP_H
+
+#pragma ident "%Z%%M% %I% %E% SMI"
+
+#include <sys/fs/zfs.h>
+#include <sys/types.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+ * For index types (e.g. compression and checksum), we want the numeric value
+ * in the kernel, but the string value in userland.
+ */
+typedef enum {
+ prop_type_number, /* numeric value */
+ prop_type_string, /* string value */
+ prop_type_boolean, /* boolean value */
+ prop_type_index /* numeric value indexed by string */
+} zfs_proptype_t;
+
+zfs_proptype_t zfs_prop_get_type(zfs_prop_t);
+size_t zfs_prop_width(zfs_prop_t, boolean_t *);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _ZFS_PROP_H */
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