1 /* Access to the auxiliary vector. 2 Copyright (C) 2012-2022 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 _SYS_AUXV_H 20 #define _SYS_AUXV_H 1 21 22 #include <elf.h> 23 #include <sys/cdefs.h> 24 #include <bits/hwcap.h> 25 26 __BEGIN_DECLS 27 28 /* Return the value associated with an Elf*_auxv_t type from the auxv list 29 passed to the program on startup. If TYPE was not present in the auxv 30 list, returns zero and sets errno to ENOENT. */ 31 extern unsigned long int getauxval (unsigned long int __type) 32 __THROW; 33 34 __END_DECLS 35 36 #endif /* sys/auxv.h */ 37