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diff --git a/libqpol/include/qpol/bool_query.h b/libqpol/include/qpol/bool_query.h
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+++ b/libqpol/include/qpol/bool_query.h
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+/**
+ *  @file
+ *  Defines the public interface for searching and iterating over booleans.
+ *
+ *  @author Kevin Carr kcarr@tresys.com
+ *  @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 QPOL_BOOL_QUERY_H
+#define QPOL_BOOL_QUERY_H
+
+#ifdef	__cplusplus
+extern "C"
+{
+#endif
+
+#include <stddef.h>
+#include <stdint.h>
+#include <qpol/policy.h>
+#include <qpol/iterator.h>
+
+	typedef struct qpol_bool qpol_bool_t;
+
+/**
+ *  Get the datum for a conditional boolean by name.
+ *  @param policy The policy database from which to retrieve the boolean.
+ *  @param name The name of the boolean; searching is case sensitive.
+ *  @param datum Pointer to set to the boolean's datum entry in the policy.
+ *  This memory should not be freed by the user.
+ *  @return Returns 0 on success and < 0 on failure; if the call fails,
+ *  errno will be set and *datum will be NULL.
+ */
+	extern int qpol_policy_get_bool_by_name(const qpol_policy_t * policy, const char *name, qpol_bool_t ** datum);
+
+/**
+ *  Get an iterator for conditional booleans in the policy.
+ *  @param policy The policy database from which to create the iterator.
+ *  @param iter Iterator of type qpol_bool_t* returned;
+ *  the user is responsible for calling qpol_iterator_destroy to
+ *  free memory used. It is also important to note that an iterator
+ *  is only valid as long as the policy is unchanged.
+ *  @return Returns 0 on success and < 0 on failure; if the call fails,
+ *  errno will be set and *iter will be NULL.
+ */
+	extern int qpol_policy_get_bool_iter(const qpol_policy_t * policy, qpol_iterator_t ** iter);
+
+/**
+ *  Get the integer value associated with a boolean. Values range from 1 to
+ *  the number of conditional booleans declared in the policy.
+ *  @param policy The policy with which the boolean is associated.
+ *  @param datum Boolean datum from which to get the value. Must be non-NULL.
+ *  @param value Pointer to integer be set to value. Must be non-NULL.
+ *  @return Returns 0 on success and < 0 on failure; if the call fails,
+ *  errno will be set and *value will be 0.
+ */
+	extern int qpol_bool_get_value(const qpol_policy_t * policy, const qpol_bool_t * datum, uint32_t * value);
+
+/**
+ *  Get the state of a boolean.
+ *  @param policy The policy with which the boolean is associated.
+ *  @param datum Boolean datum from which to get the state. Must be non-NULL.
+ *  @param state Pointer to the integer to be set to the boolean's state.
+ *  Must be non-NULL.
+ *  @return Returns 0 on success and < 0 on failure; if the call fails,
+ *  errno will be set and *state will set to 0 (false).
+ */
+	extern int qpol_bool_get_state(const qpol_policy_t * policy, const qpol_bool_t * datum, int *state);
+
+/**
+ *  Set the state of a boolean and update the state of all conditionals
+ *  using the boolean.
+ *  @param policy The policy with which the boolean is associated.
+ *  The state of the policy is changed by this function.
+ *  @param datum Boolean datum for which to set the state. Must be non-NULL.
+ *  @param state Value to which to set the state of the boolean.
+ *  @return Returns 0 on success and < 0 on failure; if the call fails,
+ *  errno will be set.
+ */
+	extern int qpol_bool_set_state(qpol_policy_t * policy, qpol_bool_t * datum, int state);
+
+/**
+ *  Set the state of a boolean but do not update the state of all conditionals
+ *  using the boolean. The caller is responsible for calling
+ *  qpol_policy_reevaluate_conds() at a later time to maintain a consistent
+ *  state of conditional expressions.
+ *  @param policy The policy with which the boolean is associated.
+ *  The state of the policy is changed by this function.
+ *  @param datum Boolean datum for which to set the state. Must be non-NULL.
+ *  @param state Value to which to set the state of the boolean.
+ *  @return Returns 0 on success and < 0 on failure; if the call fails,
+ *  errno will be set.
+ */
+	extern int qpol_bool_set_state_no_eval(qpol_policy_t * policy, qpol_bool_t * datum, int state);
+
+/**
+ *  Get the name which identifies a boolean from its datum.
+ *  @param policy The policy with which the boolean is associated.
+ *  @param datum Boolean datum for which to get the name. Must be non-NULL.
+ *  @param name Pointer to the string in which to store the name.
+ *  Must be non-NULL. The caller should not free the string.
+ *  @return Returns 0 on success and < 0 on failure; if the call fails,
+ *  errno will be set and *name will be NULL.
+ */
+	extern int qpol_bool_get_name(const qpol_policy_t * policy, const qpol_bool_t * datum, const char **name);
+
+#ifdef	__cplusplus
+}
+#endif
+
+#endif				       /* QPOL_BOOL_QUERY_H */