1  /* Definitions of macros to access 'dev_t' values.  Internal header.
       2     Copyright (C) 2018-2023 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 _ISOMAC
      20  # define __SYSMACROS_NEED_IMPLEMENTATION
      21  #endif
      22  
      23  #include <misc/sys/sysmacros.h>
      24  
      25  #if !defined _SYS_SYSMACROS_H_WRAPPER && !defined _ISOMAC
      26  # define _SYS_SYSMACROS_H_WRAPPER 1
      27  
      28  libc_hidden_proto (gnu_dev_major)
      29  libc_hidden_proto (gnu_dev_minor)
      30  libc_hidden_proto (gnu_dev_makedev)
      31  
      32  # undef __SYSMACROS_DECL_TEMPL
      33  # define __SYSMACROS_DECL_TEMPL(rtype, name, proto)	\
      34    extern rtype __gnu_dev_##name proto			\
      35    __THROW __attribute_const__ attribute_hidden;
      36  
      37  # undef __SYSMACROS_IMPL_TEMPL
      38  # define __SYSMACROS_IMPL_TEMPL(rtype, name, proto)		\
      39    __extension__ __extern_inline __attribute_const__ rtype	\
      40    __NTH (__gnu_dev_##name proto)
      41  
      42  __SYSMACROS_DECLARE_MAJOR (__SYSMACROS_DECL_TEMPL)
      43  __SYSMACROS_DECLARE_MINOR (__SYSMACROS_DECL_TEMPL)
      44  __SYSMACROS_DECLARE_MAKEDEV (__SYSMACROS_DECL_TEMPL)
      45  
      46  # ifdef __USE_EXTERN_INLINES
      47  __SYSMACROS_DEFINE_MAJOR (__SYSMACROS_IMPL_TEMPL)
      48  __SYSMACROS_DEFINE_MINOR (__SYSMACROS_IMPL_TEMPL)
      49  __SYSMACROS_DEFINE_MAKEDEV (__SYSMACROS_IMPL_TEMPL)
      50  # endif
      51  
      52  #endif