text: // -*- C++ -*-
  //===--------------------------- stddef.h ---------------------------------===//
  //
  // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
  // See https://llvm.org/LICENSE.txt for license information.
  // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
  //
  //===----------------------------------------------------------------------===//
  
  #if defined(__need_ptrdiff_t) || defined(__need_size_t) || \
      defined(__need_wchar_t) || defined(__need_NULL) || defined(__need_wint_t)
  
  #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
  #pragma GCC system_header
  #endif
  
  #include_next <stddef.h>
  
  #elif !defined(_LIBCPP_STDDEF_H)
  #define _LIBCPP_STDDEF_H
  
  /*
      stddef.h synopsis
  
  Macros:
  
      offsetof(type,member-designator)
      NULL
  
  Types:
  
      ptrdiff_t
      size_t
      max_align_t // C++11
      nullptr_t
  
  */
  
  #include <__config>
  
  #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
  #pragma GCC system_header
  #endif
  
  #include_next <stddef.h>
  
  #ifdef __cplusplus
  
  extern "C++" {
  #include <__nullptr>
  using std::nullptr_t;
  }
  
  #endif
  
  #endif  // _LIBCPP_STDDEF_H
  