/* Definitions of macros to access `dev_t' values. Copyright (C) 1996-2020 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 _SYS_SYSMACROS_H #define _SYS_SYSMACROS_H 1 #include <features.h> #include <bits/types.h> #include <bits/sysmacros.h> #define __SYSMACROS_DECL_TEMPL(rtype, name, proto) \ extern rtype gnu_dev_##name proto __THROW __attribute_const__; #define __SYSMACROS_IMPL_TEMPL(rtype, name, proto) \ __extension__ __extern_inline __attribute_const__ rtype \ __NTH (gnu_dev_##name proto) __BEGIN_DECLS __SYSMACROS_DECLARE_MAJOR (__SYSMACROS_DECL_TEMPL) __SYSMACROS_DECLARE_MINOR (__SYSMACROS_DECL_TEMPL) __SYSMACROS_DECLARE_MAKEDEV (__SYSMACROS_DECL_TEMPL) #ifdef __USE_EXTERN_INLINES __SYSMACROS_DEFINE_MAJOR (__SYSMACROS_IMPL_TEMPL) __SYSMACROS_DEFINE_MINOR (__SYSMACROS_IMPL_TEMPL) __SYSMACROS_DEFINE_MAKEDEV (__SYSMACROS_IMPL_TEMPL) #endif __END_DECLS #ifndef __SYSMACROS_NEED_IMPLEMENTATION # undef __SYSMACROS_DECL_TEMPL # undef __SYSMACROS_IMPL_TEMPL # undef __SYSMACROS_DECLARE_MAJOR # undef __SYSMACROS_DECLARE_MINOR # undef __SYSMACROS_DECLARE_MAKEDEV # undef __SYSMACROS_DEFINE_MAJOR # undef __SYSMACROS_DEFINE_MINOR # undef __SYSMACROS_DEFINE_MAKEDEV #endif #define major(dev) gnu_dev_major (dev) #define minor(dev) gnu_dev_minor (dev) #define makedev(maj, min) gnu_dev_makedev (maj, min) #endif /* sys/sysmacros.h */