What Is this???

This is a discussion on What Is this??? within the C++ Programming forums, part of the General Programming Boards category; #include <stddef.h> I have never seen this before. When I was using C++ in the past this never came up, ...

  1. #1
    human jerkey dead_captain's Avatar
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    What Is this???

    #include <stddef.h>

    I have never seen this before. When I was using C++ in the past this never came up, I can't compile with this error.

  2. #2

  3. #3
    C++ Witch laserlight's Avatar
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    <stddef.h> is a C header with a number of common standard definitions. <cstddef> is the C++ version.
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  4. #4
    human jerkey dead_captain's Avatar
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    Why is it not allowing me to compile a simple code then?

  5. #5
    Cat without Hat CornedBee's Avatar
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    What code, what errors?
    All the buzzt!
    CornedBee

    "There is not now, nor has there ever been, nor will there ever be, any programming language in which it is the least bit difficult to write bad code."
    - Flon's Law

  6. #6
    human jerkey dead_captain's Avatar
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    Code:
    // -*- C++ -*- forwarding header.
    // Copyright (C) 1997, 1998, 1999, 2000, 2002 Free Software Foundation, Inc.
    //
    // This file is part of the GNU ISO C++ Library.  This library is free
    // software; you can redistribute it and/or modify it under the
    // terms of the GNU General Public License as published by the
    // Free Software Foundation; either version 2, or (at your option)
    // any later version.
    
    // This 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 General Public License for more details.
    
    // You should have received a copy of the GNU General Public License along
    // with this library; see the file COPYING.  If not, write to the Free
    // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
    // USA.
    
    // As a special exception, you may use this file as part of a free software
    // library without restriction.  Specifically, if other files instantiate
    // templates or use macros or inline functions from this file, or you compile
    // this file and link it with other files to produce an executable, this
    // file does not by itself cause the resulting executable to be covered by
    // the GNU General Public License.  This exception does not however
    // invalidate any other reasons why the executable file might be covered by
    // the GNU General Public License.
    
    //
    // ISO C++ 14882: 18.1  Types
    //
    
    /** @file cstddef
     *  This is a Standard C++ Library file.  You should @c #include this file
     *  in your programs, rather than any of the "*.h" implementation files.
     *
     *  This is the C++ version of the Standard C Library header @c stddef.h,
     *  and its contents are (mostly) the same as that header, but are all
     *  contained in the namespace @c std.
     */
    
    #ifndef _CPP_CSTDDEF
    #define _CPP_CSTDDEF 1
    
    #pragma GCC system_header
    
    #include <stddef.h>
    
    namespace std 
    {
      using ::ptrdiff_t;
      using ::size_t;
    }
    
    #endif

  7. #7
    C++ Witch laserlight's Avatar
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    That's just the header file. What we are asking about is your own code, and the associated error messages.
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