xref: /freebsd/contrib/llvm-project/libcxx/include/stddef.h (revision dfa39133b333f57ca3133bf6c71cd75be4c3e801)
10b57cec5SDimitry Andric // -*- C++ -*-
2349cc55cSDimitry Andric //===----------------------------------------------------------------------===//
30b57cec5SDimitry Andric //
40b57cec5SDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
50b57cec5SDimitry Andric // See https://llvm.org/LICENSE.txt for license information.
60b57cec5SDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
70b57cec5SDimitry Andric //
80b57cec5SDimitry Andric //===----------------------------------------------------------------------===//
90b57cec5SDimitry Andric 
100b57cec5SDimitry Andric /*
110b57cec5SDimitry Andric     stddef.h synopsis
120b57cec5SDimitry Andric 
130b57cec5SDimitry Andric Macros:
140b57cec5SDimitry Andric 
150b57cec5SDimitry Andric     offsetof(type,member-designator)
160b57cec5SDimitry Andric     NULL
170b57cec5SDimitry Andric 
180b57cec5SDimitry Andric Types:
190b57cec5SDimitry Andric 
200b57cec5SDimitry Andric     ptrdiff_t
210b57cec5SDimitry Andric     size_t
225ffd83dbSDimitry Andric     max_align_t // C++11
230b57cec5SDimitry Andric     nullptr_t
240b57cec5SDimitry Andric 
250b57cec5SDimitry Andric */
260b57cec5SDimitry Andric 
270b57cec5SDimitry Andric #include <__config>
280b57cec5SDimitry Andric 
290b57cec5SDimitry Andric #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
300b57cec5SDimitry Andric #  pragma GCC system_header
310b57cec5SDimitry Andric #endif
320b57cec5SDimitry Andric 
33*dfa39133SDimitry Andric // Note: This include is outside of header guards because we sometimes get included multiple times
34*dfa39133SDimitry Andric //       with different defines and the underlying <stddef.h> will know how to deal with that.
350b57cec5SDimitry Andric #include_next <stddef.h>
36*dfa39133SDimitry Andric 
37*dfa39133SDimitry Andric #ifndef _LIBCPP_STDDEF_H
38*dfa39133SDimitry Andric #  define _LIBCPP_STDDEF_H
390b57cec5SDimitry Andric 
400b57cec5SDimitry Andric #  ifdef __cplusplus
4181ad6265SDimitry Andric typedef decltype(nullptr) nullptr_t;
420b57cec5SDimitry Andric #  endif
430b57cec5SDimitry Andric 
440b57cec5SDimitry Andric #endif // _LIBCPP_STDDEF_H
45