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/* Declarations for GNU's read utmp module.
Copyright (C) 1992-2000 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software Foundation,
Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
/* Written by jla; revised by djm */
#ifndef __READUTMP_H__
# define __READUTMP_H__
# ifndef PARAMS
# if defined PROTOTYPES || (defined __STDC__ && __STDC__)
# define PARAMS(Args) Args
# else
# define PARAMS(Args) ()
# endif
# endif
# include <sys/types.h>
# ifdef HAVE_UTMPX_H
# include <utmpx.h>
# define UTMP_STRUCT_NAME utmpx
# define UT_TIME_MEMBER(UT_PTR) ((UT_PTR)->ut_tv.tv_sec)
# define SET_UTMP_ENT setutxent
# define GET_UTMP_ENT getutxent
# define END_UTMP_ENT endutxent
# ifdef HAVE_UTMPXNAME
# define UTMP_NAME_FUNCTION utmpxname
# endif
# else
# include <utmp.h>
# define UTMP_STRUCT_NAME utmp
# define UT_TIME_MEMBER(UT_PTR) ((UT_PTR)->ut_time)
# define SET_UTMP_ENT setutent
# define GET_UTMP_ENT getutent
# define END_UTMP_ENT endutent
# ifdef HAVE_UTMPNAME
# define UTMP_NAME_FUNCTION utmpname
# endif
# endif
/* Accessor macro for the member named ut_user or ut_name. */
# ifdef HAVE_UTMPX_H
# if HAVE_STRUCT_UTMPX_UT_USER
# define UT_USER(Utmp) ((Utmp)->ut_user)
# endif
# if HAVE_STRUCT_UTMPX_UT_NAME
# undef UT_USER
# define UT_USER(Utmp) ((Utmp)->ut_name)
# endif
# else
# if HAVE_STRUCT_UTMP_UT_USER
# define UT_USER(Utmp) Utmp->ut_user
# endif
# if HAVE_STRUCT_UTMP_UT_NAME
# undef UT_USER
# define UT_USER(Utmp) Utmp->ut_name
# endif
# endif
typedef struct UTMP_STRUCT_NAME STRUCT_UTMP;
# include <time.h>
# ifdef HAVE_SYS_PARAM_H
# include <sys/param.h>
# endif
# include <errno.h>
# ifndef errno
extern int errno;
# endif
# if !defined (UTMP_FILE) && defined (_PATH_UTMP)
# define UTMP_FILE _PATH_UTMP
# endif
# if !defined (WTMP_FILE) && defined (_PATH_WTMP)
# define WTMP_FILE _PATH_WTMP
# endif
# ifdef UTMPX_FILE /* Solaris, SysVr4 */
# undef UTMP_FILE
# define UTMP_FILE UTMPX_FILE
# endif
# ifdef WTMPX_FILE /* Solaris, SysVr4 */
# undef WTMP_FILE
# define WTMP_FILE WTMPX_FILE
# endif
# ifndef UTMP_FILE
# define UTMP_FILE "/etc/utmp"
# endif
# ifndef WTMP_FILE
# define WTMP_FILE "/etc/wtmp"
# endif
# undef PARAMS
# if defined (__STDC__) && __STDC__
# define PARAMS(Args) Args
# else
# define PARAMS(Args) ()
# endif
extern char *extract_trimmed_name PARAMS ((const STRUCT_UTMP *ut));
extern int read_utmp PARAMS ((const char *filename,
int *n_entries, STRUCT_UTMP **utmp_buf));
#endif /* __READUTMP_H__ */
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