/* Declarations for GNU's read utmp module.   Copyright (C) 1992-2002 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#  ifdef HAVE_UTMP_H    /* HPUX 10.20 needs utmp.h, for the definition of e.g., UTMP_FILE.  */#   include <utmp.h>#  endif#  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>#  if !HAVE_DECL_GETUTENT    struct utmp *getutent();#  endif#  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# define HAVE_STRUCT_XTMP_UT_EXIT \    (HAVE_STRUCT_UTMP_UT_EXIT \     || HAVE_STRUCT_UTMPX_UT_EXIT)# define HAVE_STRUCT_XTMP_UT_ID \    (HAVE_STRUCT_UTMP_UT_ID \     || HAVE_STRUCT_UTMPX_UT_ID)# define HAVE_STRUCT_XTMP_UT_PID \    (HAVE_STRUCT_UTMP_UT_PID \     || HAVE_STRUCT_UTMPX_UT_PID)# define HAVE_STRUCT_XTMP_UT_TYPE \    (HAVE_STRUCT_UTMP_UT_TYPE \     || HAVE_STRUCT_UTMPX_UT_TYPE)typedef struct UTMP_STRUCT_NAME STRUCT_UTMP;# include <time.h># ifdef HAVE_SYS_PARAM_H#  include <sys/param.h># endif# include <errno.h># ifndef errnoextern 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) ()# endifextern 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__ */