The C and C++ Include Header Files

/usr/include/c++/11/cinttypes


$ cat -n /usr/include/c++/11/cinttypes

     1	// <cinttypes> -*- C++ -*-
     2	
     3	// Copyright (C) 2007-2021 Free Software Foundation, Inc.
     4	//
     5	// This file is part of the GNU ISO C++ Library.  This library is free
     6	// software; you can redistribute it and/or modify it under the
     7	// terms of the GNU General Public License as published by the
     8	// Free Software Foundation; either version 3, or (at your option)
     9	// any later version.
    10	
    11	// This library is distributed in the hope that it will be useful,
    12	// but WITHOUT ANY WARRANTY; without even the implied warranty of
    13	// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    14	// GNU General Public License for more details.
    15	
    16	// Under Section 7 of GPL version 3, you are granted additional
    17	// permissions described in the GCC Runtime Library Exception, version
    18	// 3.1, as published by the Free Software Foundation.
    19	
    20	// You should have received a copy of the GNU General Public License and
    21	// a copy of the GCC Runtime Library Exception along with this program;
    22	// see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
    23	// <http://www.gnu.org/licenses/>.
    24	
    25	/** @file include/cinttypes
    26	 *  This is a Standard C++ Library header.
    27	 */
    28	
    29	#ifndef _GLIBCXX_CINTTYPES
    30	#define _GLIBCXX_CINTTYPES 1
    31	
    32	#pragma GCC system_header
    33	
    34	#if __cplusplus < 201103L
    35	# include <bits/c++0x_warning.h>
    36	#else
    37	
    38	#include <cstdint>
    39	
    40	// For 27.9.2/3 (see C99, Note 184)
    41	#if _GLIBCXX_HAVE_INTTYPES_H
    42	# ifndef __STDC_FORMAT_MACROS
    43	#  define _UNDEF__STDC_FORMAT_MACROS
    44	#  define __STDC_FORMAT_MACROS
    45	# endif
    46	# include <inttypes.h>
    47	# ifdef _UNDEF__STDC_FORMAT_MACROS
    48	#  undef __STDC_FORMAT_MACROS
    49	#  undef _UNDEF__STDC_FORMAT_MACROS
    50	# endif
    51	#endif
    52	
    53	#ifdef _GLIBCXX_USE_C99_INTTYPES_TR1
    54	
    55	namespace std
    56	{
    57	  // types
    58	  using ::imaxdiv_t;
    59	
    60	  // functions
    61	  using ::imaxabs;
    62	  using ::imaxdiv;
    63	
    64	  // GCC does not support extended integer types
    65	  // intmax_t abs(intmax_t)
    66	  // imaxdiv_t div(intmax_t, intmax_t)
    67	
    68	  using ::strtoimax;
    69	  using ::strtoumax;
    70	
    71	#if defined(_GLIBCXX_USE_WCHAR_T) && _GLIBCXX_USE_C99_INTTYPES_WCHAR_T_TR1
    72	  using ::wcstoimax;
    73	  using ::wcstoumax;
    74	#endif
    75	} // namespace std
    76	
    77	#endif // _GLIBCXX_USE_C99_INTTYPES_TR1
    78	
    79	#endif // C++11
    80	
    81	#endif // _GLIBCXX_CINTTYPES