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- /* Copyright (C) 1993, 1996, 1997, 1998, 1999 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 Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 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
- Lesser General Public License for more details.
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; 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>
- __BEGIN_DECLS
- /* Get system dependent values and data structures. */
- #include <bits/utmp.h>
- /* Compatibility names for the strings of the canonical file names. */
- #define UTMP_FILE _PATH_UTMP
- #define UTMP_FILENAME _PATH_UTMP
- #define WTMP_FILE _PATH_WTMP
- #define WTMP_FILENAME _PATH_WTMP
- /* Make FD be the controlling terminal, stdin, stdout, and stderr;
- then close FD. Returns 0 on success, nonzero on error. */
- extern int login_tty (int __fd) __THROW;
- /* Write the given entry into utmp and wtmp. */
- extern void login (__const struct utmp *__entry) __THROW;
- /* Write the utmp entry to say the user on UT_LINE has logged out. */
- extern int logout (__const char *__ut_line) __THROW;
- /* Append to wtmp an entry for the current time and the given info. */
- extern void logwtmp (__const char *__ut_line, __const char *__ut_name,
- __const char *__ut_host) __THROW;
- /* Append entry UTMP to the wtmp-like file WTMP_FILE. */
- extern void updwtmp (__const char *__wtmp_file, __const struct utmp *__utmp)
- __THROW;
- /* Change name of the utmp file to be examined. */
- extern int utmpname (__const char *__file) __THROW;
- /* Read next entry from a utmp-like file. */
- extern struct utmp *getutent (void) __THROW;
- /* Reset the input stream to the beginning of the file. */
- extern void setutent (void) __THROW;
- /* Close the current open file. */
- extern void endutent (void) __THROW;
- /* 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 (__const struct utmp *__id) __THROW;
- /* 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 (__const struct utmp *__line) __THROW;
- /* Write out entry pointed to by UTMP_PTR into the utmp file. */
- extern struct utmp *pututline (__const struct utmp *__utmp_ptr) __THROW;
- __END_DECLS
- #endif /* utmp.h */
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