xref: /titanic_41/usr/src/lib/libbc/inc/include/utmp.h (revision fcf3ce441efd61da9bb2884968af01cb7c1452cc)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 /*
23  * Copyright 1987 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #pragma ident	"%Z%%M%	%I%	%E% SMI"
28 
29 #ifndef _utmp_h
30 #define _utmp_h
31 
32 /*
33  * Structure of utmp and wtmp files.
34  *
35  * XXX - Assuming the number 8 is unwise.
36  */
37 struct utmp {
38 	char	ut_line[8];		/* tty name */
39 	char	ut_name[8];		/* user id */
40 	char	ut_host[16];		/* host name, if remote */
41 	long	ut_time;		/* time on */
42 };
43 
44 /*
45  * This is a utmp entry that does not correspond to a genuine user
46  */
47 #define nonuser(ut) ((ut).ut_host[0] == 0 && \
48 	strncmp((ut).ut_line, "tty", 3) == 0 && ((ut).ut_line[3] == 'p' \
49 					      || (ut).ut_line[3] == 'q' \
50 					      || (ut).ut_line[3] == 'r' \
51 					      || (ut).ut_line[3] == 's'))
52 
53 #endif /*!_utmp_h*/
54