1 /* Internal definitions and declarations for UTMP functions. 2 Copyright (C) 1996-2022 Free Software Foundation, Inc. 3 This file is part of the GNU C Library. 4 5 The GNU C Library is free software; you can redistribute it and/or 6 modify it under the terms of the GNU Lesser General Public 7 License as published by the Free Software Foundation; either 8 version 2.1 of the License, or (at your option) any later version. 9 10 The GNU C Library is distributed in the hope that it will be useful, 11 but WITHOUT ANY WARRANTY; without even the implied warranty of 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 Lesser General Public License for more details. 14 15 You should have received a copy of the GNU Lesser General Public 16 License along with the GNU C Library; if not, see 17 <https://www.gnu.org/licenses/>. */ 18 19 #ifndef _UTMP_PRIVATE_H 20 #define _UTMP_PRIVATE_H 1 21 22 #include <utmp.h> 23 #include <libc-lock.h> 24 25 /* These functions check for initialization, but not perform any 26 locking. */ 27 int __libc_setutent (void) attribute_hidden; 28 int __libc_getutent_r (struct utmp *, struct utmp **) attribute_hidden; 29 int __libc_getutid_r (const struct utmp *, struct utmp *, struct utmp **) 30 attribute_hidden; 31 int __libc_getutline_r (const struct utmp *, struct utmp *, struct utmp **) 32 attribute_hidden; 33 struct utmp *__libc_pututline (const struct utmp *) attribute_hidden; 34 void __libc_endutent (void) attribute_hidden; 35 int __libc_updwtmp (const char *, const struct utmp *) attribute_hidden; 36 37 /* Current file name. */ 38 extern const char *__libc_utmp_file_name attribute_hidden; 39 40 /* Locks access to the global data. */ 41 __libc_lock_define (extern, __libc_utmp_lock attribute_hidden) 42 43 44 #endif /* utmp-private.h */ 45