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-rw-r--r--login/utmp.h96
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diff --git a/login/utmp.h b/login/utmp.h
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+/* Copyright (C) 1993, 1996 Free Software Foundation, Inc.
+This file is part of the GNU C Library.
+
+The GNU C Library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Library General Public License as
+published by the Free Software Foundation; either version 2 of the
+License, or (at your option) any later version.
+
+The GNU C Library 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
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB.  If
+not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA.  */
+
+
+#ifndef	_UTMP_H_
+
+#define	_UTMP_H_	1
+#include <features.h>
+
+#include <sys/types.h>
+
+/* Get system dependent values and data structures.  */
+#include <utmpbits.h>
+
+
+/* Write the given entry into utmp and wtmp.  */
+extern void login __P ((__const struct utmp *));
+
+/* Write the utmp entry to say the user on UT_LINE has logged out.  */
+extern int logout __P ((__const char *ut_line));
+
+/* Append to wtmp an entry for the current time and the given info.  */
+extern void logwtmp __P ((__const char *ut_line, __const char *ut_name,
+			  __const char *ut_host));
+
+/* Change name of the examine utmp file.  */
+extern int utmpname __P ((__const char *__file));
+
+/* Read next entry from a utmp-like file.  */
+extern struct utmp *getutent __P ((void));
+
+/* Rest the input stream to the beginning of the file.  */
+extern void setutent __P ((void));
+
+/* Close the current open file.  */
+extern void endutent __P ((void));
+
+/* Search forward from the current point in the utmp file until the
+   next entry with a ut_type matching ID->ut_type.  */
+extern struct utmp *getutid __P ((__const struct utmp *__id));
+
+/* Search forward from the current point in the utmp file until the
+   next entry with a ut_line matching LINE->ut_line.  */
+extern struct utmp *getutline __P ((__const struct utmp *__line));
+
+/* Write out entry pointed to by UTMP_PTR into the utmp file.  */
+extern struct utmp *pututline __P ((__const struct utmp *__utmp_ptr));
+
+
+#if defined(_REENTRANT) || defined(_THREAD_SAFE)
+/* Define the data structure needed for the reentrent version.  */
+struct utmp_data
+{
+  int ut_fd;
+  off_t loc_utmp;
+  struct utmp ubuf;
+};
+
+
+/* Reentrent versions of the file for handling utmp files.  */
+extern int getutent_r __P ((struct utmp **__utmp,
+			    struct utmp_data *__utmp_data));
+
+extern void setutent_r __P ((struct utmp_data *__utmp_data));
+
+extern void endutent_r __P ((struct utmp_data *__utmp_data));
+
+extern int getutid_r __P ((__const struct utmp *__id, struct utmp **__utmp,
+			   struct utmp_data *__utmp_data));
+
+extern int getutline_r __P ((__const struct utmp *__line, struct utmp **__utmp,
+			     struct utmp_data *__utmp_data));
+
+extern int pututline_r __P ((__const struct utmp *__utmp_ptr,
+			     struct utmp_data *__utmp_data));
+
+#endif /* _REENTRENT || _THREAD_SAFE */
+
+__END_DECLS
+
+#endif /* utmp.h  */