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The C and C++ Include Header Files

cat -n /usr/include/c++/15/tr1/cstdint

     1	// TR1 cstdint -*- C++ -*-
     2	
     3	// Copyright (C) 2006-2025 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 tr1/cstdint
    26	 *  This is a TR1 C++ Library header. 
    27	 */
    28	
    29	#ifndef _GLIBCXX_TR1_CSTDINT
    30	#define _GLIBCXX_TR1_CSTDINT 1
    31	
    32	#ifdef _GLIBCXX_SYSHDR
    33	#pragma GCC system_header
    34	#endif
    35	
    36	#include <bits/requires_hosted.h> // TR1
    37	
    38	#include <bits/c++config.h>
    39	
    40	// For 8.22.1/1 (see C99, Notes 219, 220, 222)
    41	# if _GLIBCXX_HAVE_STDINT_H
    42	#  ifndef __STDC_LIMIT_MACROS
    43	#   define _UNDEF__STDC_LIMIT_MACROS
    44	#   define __STDC_LIMIT_MACROS
    45	#  endif
    46	#  ifndef __STDC_CONSTANT_MACROS
    47	#   define _UNDEF__STDC_CONSTANT_MACROS
    48	#   define __STDC_CONSTANT_MACROS
    49	#  endif
    50	#  include <stdint.h>
    51	#  ifdef _UNDEF__STDC_LIMIT_MACROS
    52	#   undef __STDC_LIMIT_MACROS
    53	#   undef _UNDEF__STDC_LIMIT_MACROS
    54	#  endif
    55	#  ifdef _UNDEF__STDC_CONSTANT_MACROS
    56	#   undef __STDC_CONSTANT_MACROS
    57	#   undef _UNDEF__STDC_CONSTANT_MACROS
    58	#  endif
    59	# endif
    60	
    61	#ifdef _GLIBCXX_USE_C99_STDINT_TR1
    62	
    63	namespace std _GLIBCXX_VISIBILITY(default)
    64	{
    65	_GLIBCXX_BEGIN_NAMESPACE_VERSION
    66	namespace tr1
    67	{
    68	  using ::int8_t;
    69	  using ::int16_t;
    70	  using ::int32_t;
    71	  using ::int64_t;
    72	
    73	  using ::int_fast8_t;
    74	  using ::int_fast16_t;
    75	  using ::int_fast32_t;
    76	  using ::int_fast64_t;
    77	
    78	  using ::int_least8_t;
    79	  using ::int_least16_t;
    80	  using ::int_least32_t;
    81	  using ::int_least64_t;
    82	
    83	  using ::intmax_t;
    84	  using ::intptr_t;
    85	  
    86	  using ::uint8_t;
    87	  using ::uint16_t;
    88	  using ::uint32_t;
    89	  using ::uint64_t;
    90	
    91	  using ::uint_fast8_t;
    92	  using ::uint_fast16_t;
    93	  using ::uint_fast32_t;
    94	  using ::uint_fast64_t;
    95	
    96	  using ::uint_least8_t;
    97	  using ::uint_least16_t;
    98	  using ::uint_least32_t;
    99	  using ::uint_least64_t;
   100	
   101	  using ::uintmax_t;
   102	  using ::uintptr_t;
   103	}
   104	_GLIBCXX_END_NAMESPACE_VERSION
   105	}
   106	
   107	#endif // _GLIBCXX_USE_C99_STDINT_TR1
   108	
   109	#endif // _GLIBCXX_TR1_CSTDINT
   110