97 lines
3.1 KiB
C
97 lines
3.1 KiB
C
/* Copyright (C) 1993-2022 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, see
|
|
<https://www.gnu.org/licenses/>. */
|
|
|
|
#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;
|
|
|
|
|
|
#ifdef __USE_MISC
|
|
/* Reentrant versions of the file for handling utmp files. */
|
|
extern int getutent_r (struct utmp *__buffer, struct utmp **__result) __THROW;
|
|
|
|
extern int getutid_r (const struct utmp *__id, struct utmp *__buffer,
|
|
struct utmp **__result) __THROW;
|
|
|
|
extern int getutline_r (const struct utmp *__line,
|
|
struct utmp *__buffer, struct utmp **__result) __THROW;
|
|
|
|
#endif /* Use misc. */
|
|
|
|
__END_DECLS
|
|
|
|
#endif /* utmp.h */
|