| /* Copyright (C) 1993, 1996, 1997 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> |
| |
| |
| __BEGIN_DECLS |
| |
| /* Get system dependent values and data structures. */ |
| #include <utmpbits.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 __P ((int __fd)); |
| |
| |
| /* Write the given entry into utmp and wtmp. */ |
| extern void login __P ((__const struct utmp *__entry)); |
| |
| /* 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)); |
| |
| /* Append entry UTMP to the wtmp-like file WTMP_FILE. */ |
| extern void updwtmp __P ((__const char *__wtmp_file, |
| __const struct utmp *__utmp)); |
| |
| /* Change name of the utmp file to be examined. */ |
| extern int __utmpname __P ((__const char *__file)); |
| extern int utmpname __P ((__const char *__file)); |
| |
| /* Read next entry from a utmp-like file. */ |
| extern struct utmp *getutent __P ((void)); |
| |
| /* Reset the input stream to the beginning of the file. */ |
| extern void __setutent __P ((void)); |
| extern void setutent __P ((void)); |
| |
| /* Close the current open file. */ |
| extern void __endutent __P ((void)); |
| 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)); |
| |
| |
| #ifdef __USE_MISC |
| /* Reentrant versions of the file for handling utmp files. */ |
| extern int __getutent_r __P ((struct utmp *__buffer, struct utmp **__result)); |
| extern int getutent_r __P ((struct utmp *__buffer, struct utmp **__result)); |
| |
| extern int __getutid_r __P ((__const struct utmp *__id, struct utmp *__buffer, |
| struct utmp **__result)); |
| extern int getutid_r __P ((__const struct utmp *__id, struct utmp *__buffer, |
| struct utmp **__result)); |
| |
| extern int __getutline_r __P ((__const struct utmp *__line, |
| struct utmp *__buffer, struct utmp **__result)); |
| extern int getutline_r __P ((__const struct utmp *__line, |
| struct utmp *__buffer, struct utmp **__result)); |
| |
| #endif /* Use misc. */ |
| |
| __END_DECLS |
| |
| #endif /* utmp.h */ |