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+.\"-
+.\" Copyright (c) 2005-2006 Robert N. M. Watson
+.\" All rights reserved.
+.\"
+.\" Redistribution and use in source and binary forms, with or without
+.\" modification, are permitted provided that the following conditions
+.\" are met:
+.\" 1. Redistributions of source code must retain the above copyright
+.\"    notice, this list of conditions and the following disclaimer.
+.\" 2. Redistributions in binary form must reproduce the above copyright
+.\"    notice, this list of conditions and the following disclaimer in the
+.\"    documentation and/or other materials provided with the distribution.
+.\" 
+.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+.\" ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+.\" SUCH DAMAGE.
+.\"
+.\" $P4: //depot/projects/trustedbsd/openbsm/libbsm/au_class.3#3 $
+.\"
+.Dd April 19, 2005
+.Dt AU_CLASS 3
+.Os
+.Sh NAME
+.Nm getauclassent ,
+.Nm getauclassent_r ,
+.Nm getauclassnam ,
+.Nm getauclassnam_r ,
+.Nm setauclass ,
+.Nm endauclass
+.Nd "Look up information from the audit_class database"
+.Sh LIBRARY
+.Lb libbsm
+.Sh SYNOPSIS
+.In libbsm.h
+.Ft struct au_class_ent *
+.Fn getauclassent "void"
+.Ft struct au_class_ent *
+.Fn getauclassent_r "struct au_class_ent *e"
+.Ft struct au_class_ent *
+.Fn getauclassnam "const char *name"
+.Ft struct au_class_ent *
+.Fn getauclassnam_r "struct au_class_ent *e" "const char *name"
+.Ft void
+.Fn setauclass "void"
+.Ft void
+.Fn endauclass "void"
+.Sh DESCRIPTION
+These interfaces may be used to look up information from the
+.Xr audit_class 5
+database, which describes audit event classes.
+Audit event classes are described by
+.Vt struct au_class_ent .
+.Pp
+.Pp
+.Fn getauclassent
+will return the next class found in the
+.Xr audit_class 5
+database, or the first if the function has not yet been called.
+.Dv NULL
+will be returned if no further records are available.
+.Pp
+.Fn getauclassnam
+looks up a class by name.
+.Dv NULL
+will be returned if no matching class can be found.
+.Pp
+.Fn setauclass
+resets the iterator through the
+.Xr audit_class 5
+database, causing the next call to
+.Fn getauclassent
+to start again from the beginning of the file.
+.Pp
+.Fn endauclass
+closes the
+.Xr audit_class 5
+database, if open.
+.Sh SEE ALSO
+.Xr libbsm 3 ,
+.Xr audit_class 5
+.Sh AUTHORS
+This software was created by Robert Watson, Wayne Salamon, and Suresh
+Krishnaswamy for McAfee Research, the security research division of McAfee,
+Inc., under contract to Apple Computer, Inc.
+.Pp
+The Basic Security Module (BSM) interface to audit records and audit event
+stream format were defined by Sun Microsystems.
+.Sh HISTORY
+The OpenBSM implementation was created by McAfee Research, the security
+division of McAfee Inc., under contract to Apple Computer, Inc., in 2004.
+It was subsequently adopted by the TrustedBSD Project as the foundation for
+the OpenBSM distribution.
+.Sh BUGS
+These routines cannot currently distinguish between an entry not being found
+and an error accessing the database.
+The implementation should be changed to return an error via
+.Va errno
+when
+.Dv NULL
+is returned.