sysdeps/gnu/utmpx.h

   1 /* Copyright (C) 1997, 1998 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3    Contributed by Mark Kettenis <kettenis@phys.uva.nl>, 1997.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Library General Public License as
   7    published by the Free Software Foundation; either version 2 of the
   8    License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Library General Public License for more details.
  14
  15    You should have received a copy of the GNU Library General Public
  16    License along with the GNU C Library; see the file COPYING.LIB.  If not,
  17    write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  18    Boston, MA 02111-1307, USA.  */
  19
  20 #ifndef _UTMPX_H
  21 #define _UTMPX_H        1
  22
  23 #include <features.h>
  24
  25 __BEGIN_DECLS
  26
  27 /* Get system dependent values and data structures.  */
  28 #include <bits/utmpx.h>
  29
  30 #ifdef __USE_GNU
  31 /* Compatibility names for the strings of the canonical file names.  */
  32 # define UTMPX_FILE     _PATH_UTMPX
  33 # define UTMPX_FILENAME _PATH_UTMPX
  34 # define WTMPX_FILE     _PATH_WTMPX
  35 # define WTMPX_FILENAME _PATH_WTMPX
  36 #endif
  37
  38 /* Open user accounting database.  */
  39 extern void setutxent __P ((void));
  40
  41 /* Close user accounting database.  */
  42 extern void endutxent __P ((void));
  43
  44 /* Get the next entry from the user accounting database.  */
  45 extern struct utmpx *getutxent __P ((void));
  46
  47 /* Get the user accounting database entry corresponding to ID.  */
  48 extern struct utmpx *getutxid __P ((const struct utmpx *__id));
  49
  50 /* Get the user accounting database entry corresponding to LINE.  */
  51 extern struct utmpx *getutxline __P ((const struct utmpx *__line));
  52
  53 /* Write the entry UTMPX into the user accounting database.  */
  54 extern struct utmpx *pututxline __P ((const struct utmpx *__utmpx));
  55
  56 #ifdef __USE_GNU
  57 /* Change name of the utmpx file to be examined.  */
  58 extern int utmpxname __P ((__const char *__file));
  59
  60 /* Append entry UTMP to the wtmpx-like file WTMPX_FILE.  */
  61 extern void updwtmpx __P ((__const char *__wtmpx_file,
  62                            __const struct utmpx *__utmpx));
  63 #endif
  64
  65 __END_DECLS
  66
  67 #endif /* utmpx.h  */