1// -*- C++ -*-
2//===----------------------------------------------------------------------===//
3//
4// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
5// See https://llvm.org/LICENSE.txt for license information.
6// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
7//
8//===----------------------------------------------------------------------===//
9
10/*
11 stddef.h synopsis
12
13Macros:
14
15 offsetof(type,member-designator)
16 NULL
17
18Types:
19
20 ptrdiff_t
21 size_t
22 max_align_t // C++11
23 nullptr_t
24
25*/
26
27#if defined(__cplusplus) && __cplusplus < 201103L && defined(_LIBCPP_USE_FROZEN_CXX03_HEADERS)
28# include <__cxx03/stddef.h>
29#else
30# include <__config>
31
32# if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
33# pragma GCC system_header
34# endif
35
36// Note: This include is outside of header guards because we sometimes get included multiple times
37// with different defines and the underlying <stddef.h> will know how to deal with that.
38# include_next <stddef.h>
39
40# ifndef _LIBCPP_STDDEF_H
41# define _LIBCPP_STDDEF_H
42
43# ifdef __cplusplus
44typedef decltype(nullptr) nullptr_t;
45# endif
46# endif // defined(__cplusplus) && __cplusplus < 201103L && defined(_LIBCPP_USE_FROZEN_CXX03_HEADERS)
47
48#endif // _LIBCPP_STDDEF_H
49