| 1 | /* Copyright (C) 1993, 1996, 1997, 1998, 1999 Free Software Foundation, Inc. |
|---|
| 2 | This file is part of the GNU C Library. |
|---|
| 3 | |
|---|
| 4 | The GNU C Library is free software; you can redistribute it and/or |
|---|
| 5 | modify it under the terms of the GNU Lesser General Public |
|---|
| 6 | License as published by the Free Software Foundation; either |
|---|
| 7 | version 2.1 of the License, or (at your option) any later version. |
|---|
| 8 | |
|---|
| 9 | The GNU C Library is distributed in the hope that it will be useful, |
|---|
| 10 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
|---|
| 11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
|---|
| 12 | Lesser General Public License for more details. |
|---|
| 13 | |
|---|
| 14 | You should have received a copy of the GNU Lesser General Public |
|---|
| 15 | License along with the GNU C Library; if not, write to the Free |
|---|
| 16 | Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
|---|
| 17 | 02111-1307 USA. */ |
|---|
| 18 | |
|---|
| 19 | #ifndef _UTMP_H |
|---|
| 20 | #define _UTMP_H 1 |
|---|
| 21 | |
|---|
| 22 | #include <features.h> |
|---|
| 23 | |
|---|
| 24 | #include <sys/types.h> |
|---|
| 25 | |
|---|
| 26 | |
|---|
| 27 | __BEGIN_DECLS |
|---|
| 28 | |
|---|
| 29 | /* Get system dependent values and data structures. */ |
|---|
| 30 | #include <bits/utmp.h> |
|---|
| 31 | |
|---|
| 32 | /* Compatibility names for the strings of the canonical file names. */ |
|---|
| 33 | #define UTMP_FILE _PATH_UTMP |
|---|
| 34 | #define UTMP_FILENAME _PATH_UTMP |
|---|
| 35 | #define WTMP_FILE _PATH_WTMP |
|---|
| 36 | #define WTMP_FILENAME _PATH_WTMP |
|---|
| 37 | |
|---|
| 38 | |
|---|
| 39 | |
|---|
| 40 | /* Make FD be the controlling terminal, stdin, stdout, and stderr; |
|---|
| 41 | then close FD. Returns 0 on success, nonzero on error. */ |
|---|
| 42 | extern int login_tty (int __fd) __THROW; |
|---|
| 43 | |
|---|
| 44 | |
|---|
| 45 | /* Write the given entry into utmp and wtmp. */ |
|---|
| 46 | extern void login (__const struct utmp *__entry) __THROW; |
|---|
| 47 | |
|---|
| 48 | /* Write the utmp entry to say the user on UT_LINE has logged out. */ |
|---|
| 49 | extern int logout (__const char *__ut_line) __THROW; |
|---|
| 50 | |
|---|
| 51 | /* Append to wtmp an entry for the current time and the given info. */ |
|---|
| 52 | extern void logwtmp (__const char *__ut_line, __const char *__ut_name, |
|---|
| 53 | __const char *__ut_host) __THROW; |
|---|
| 54 | |
|---|
| 55 | /* Append entry UTMP to the wtmp-like file WTMP_FILE. */ |
|---|
| 56 | extern void updwtmp (__const char *__wtmp_file, __const struct utmp *__utmp) |
|---|
| 57 | __THROW; |
|---|
| 58 | |
|---|
| 59 | /* Change name of the utmp file to be examined. */ |
|---|
| 60 | extern int utmpname (__const char *__file) __THROW; |
|---|
| 61 | |
|---|
| 62 | /* Read next entry from a utmp-like file. */ |
|---|
| 63 | extern struct utmp *getutent (void) __THROW; |
|---|
| 64 | |
|---|
| 65 | /* Reset the input stream to the beginning of the file. */ |
|---|
| 66 | extern void setutent (void) __THROW; |
|---|
| 67 | |
|---|
| 68 | /* Close the current open file. */ |
|---|
| 69 | extern void endutent (void) __THROW; |
|---|
| 70 | |
|---|
| 71 | /* Search forward from the current point in the utmp file until the |
|---|
| 72 | next entry with a ut_type matching ID->ut_type. */ |
|---|
| 73 | extern struct utmp *getutid (__const struct utmp *__id) __THROW; |
|---|
| 74 | |
|---|
| 75 | /* Search forward from the current point in the utmp file until the |
|---|
| 76 | next entry with a ut_line matching LINE->ut_line. */ |
|---|
| 77 | extern struct utmp *getutline (__const struct utmp *__line) __THROW; |
|---|
| 78 | |
|---|
| 79 | /* Write out entry pointed to by UTMP_PTR into the utmp file. */ |
|---|
| 80 | extern struct utmp *pututline (__const struct utmp *__utmp_ptr) __THROW; |
|---|
| 81 | |
|---|
| 82 | __END_DECLS |
|---|
| 83 | |
|---|
| 84 | #endif /* utmp.h */ |
|---|
