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diff --git a/libapol/include/apol/bool-query.h b/libapol/include/apol/bool-query.h
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+++ b/libapol/include/apol/bool-query.h
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+/**
+ *  @file
+ *  Public Interface for querying conditional booleans of a policy.
+ *
+ *  @author Jeremy A. Mowery jmowery@tresys.com
+ *  @author Jason Tang jtang@tresys.com
+ *
+ *  Copyright (C) 2006-2007 Tresys Technology, LLC
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License as published by the Free Software Foundation; either
+ *  version 2.1 of the License, or (at your option) any later version.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+#ifndef APOL_BOOL_QUERY_H
+#define APOL_BOOL_QUERY_H
+
+#ifdef	__cplusplus
+extern "C"
+{
+#endif
+
+#include "policy.h"
+#include "vector.h"
+#include <qpol/policy.h>
+
+	typedef struct apol_bool_query apol_bool_query_t;
+
+/******************** booleans queries ********************/
+
+/**
+ * Execute a query against all booleans within the policy.
+ *
+ * @param p Policy within which to look up booleans.
+ * @param b Structure containing parameters for query.	If this is
+ * NULL then return all booleans.
+ * @param v Reference to a vector of qpol_bool_t.  The vector will be
+ * allocated by this function. The caller must call
+ * apol_vector_destroy() afterwards.  This will be set to NULL upon no
+ * results or upon error.
+ *
+ * @return 0 on success (including none found), negative on error.
+ */
+	extern int apol_bool_get_by_query(const apol_policy_t * p, apol_bool_query_t * b, apol_vector_t ** v);
+
+/**
+ * Allocate and return a new boolean query structure.  All fields are
+ * initialized, such that running this blank query results in
+ * returning all booleans within the policy.  The caller must call
+ * apol_bool_query_destroy() upon the return value afterwards.
+ *
+ * @return An initialized boolean query structure, or NULL upon error.
+ */
+	extern apol_bool_query_t *apol_bool_query_create(void);
+
+/**
+ * Deallocate all memory associated with the referenced boolean query,
+ * and then set it to NULL.  This function does nothing if the query
+ * is already NULL.
+ *
+ * @param b Reference to a boolean query structure to destroy.
+ */
+	extern void apol_bool_query_destroy(apol_bool_query_t ** b);
+
+/**
+ * Set a boolean query to return only booleans that match this name.
+ * This function duplicates the incoming name.
+ *
+ * @param p Policy handler, to report errors.
+ * @param b Boolean query to set.
+ * @param name Limit query to only booleans with this name, or NULL to
+ * unset this field.
+ *
+ * @return 0 on success, negative on error.
+ */
+	extern int apol_bool_query_set_bool(const apol_policy_t * p, apol_bool_query_t * b, const char *name);
+
+/**
+ * Set a boolean query to use regular expression searching for all of
+ * its fields.	Strings will be treated as regexes instead of
+ * literals.
+ *
+ * @param p Policy handler, to report errors.
+ * @param b Boolean query to set.
+ * @param is_regex Non-zero to enable regex searching, 0 to disable.
+ *
+ * @return Always 0.
+ */
+	extern int apol_bool_query_set_regex(const apol_policy_t * p, apol_bool_query_t * b, int is_regex);
+
+#ifdef	__cplusplus
+}
+#endif
+
+#endif				       /* APOL_BOOL_QUERY_H */