Where Online Learning is simpler!

The C and C++ Include Header Files

/usr/include/c++/13/bits/requires_hosted.h


$ cat -n /usr/include/c++/13/bits/requires_hosted.h

     1	// Copyright The GNU Toolchain Authors.
     2	//
     3	// This file is part of the GNU ISO C++ Library.  This library is free
     4	// software; you can redistribute it and/or modify it under the
     5	// terms of the GNU General Public License as published by the
     6	// Free Software Foundation; either version 3, or (at your option)
     7	// any later version.
     8	
     9	// This library is distributed in the hope that it will be useful,
    10	// but WITHOUT ANY WARRANTY; without even the implied warranty of
    11	// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    12	// GNU General Public License for more details.
    13	
    14	// Under Section 7 of GPL version 3, you are granted additional
    15	// permissions described in the GCC Runtime Library Exception, version
    16	// 3.1, as published by the Free Software Foundation.
    17	
    18	// You should have received a copy of the GNU General Public License and
    19	// a copy of the GCC Runtime Library Exception along with this program;
    20	// see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
    21	// <http://www.gnu.org/licenses/>.
    22	
    23	/** @file bits/requires_hosted.h
    24	 *  This is an internal header file, included by other library headers.
    25	 *  Do not attempt to use it directly. @headername{version}
    26	 */
    27	
    28	#ifndef _REQUIRES_FREESTANDING_H
    29	#define _REQUIRES_FREESTANDING_H 1
    30	
    31	#include <bits/c++config.h>
    32	
    33	#if !_GLIBCXX_HOSTED
    34	#  error "This header is not available in freestanding mode."
    35	#endif
    36	
    37	#endif