usr/src/lib/libbc/inc/include/utmp.h

   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*/