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 13 Macros: 14 15 offsetof(type,member-designator) 16 NULL 17 18 Types: 19 20 ptrdiff_t 21 size_t 22 max_align_t // C++11 23 nullptr_t 24 25 */ 26 27 #include <__config> 28 29 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 30 # pragma GCC system_header 31 #endif 32 33 // Note: This include is outside of header guards because we sometimes get included multiple times 34 // with different defines and the underlying <stddef.h> will know how to deal with that. 35 #include_next <stddef.h> 36 37 #ifndef _LIBCPP_STDDEF_H 38 # define _LIBCPP_STDDEF_H 39 40 # ifdef __cplusplus 41 typedef decltype(nullptr) nullptr_t; 42 # endif 43 44 #endif // _LIBCPP_STDDEF_H 45