forked from OSchip/llvm-project
89 lines
1.9 KiB
Plaintext
89 lines
1.9 KiB
Plaintext
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// -*- C++ -*-
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//===--------------------------- cstddef ----------------------------------===//
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//
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// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#ifndef _LIBCPP_CSTDDEF
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#define _LIBCPP_CSTDDEF
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/*
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cstddef synopsis
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Macros:
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offsetof(type,member-designator)
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NULL
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namespace std
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{
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Types:
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ptrdiff_t
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size_t
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max_align_t
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nullptr_t
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} // std
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*/
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#include <__config>
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#include <stddef.h>
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#pragma GCC system_header
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_LIBCPP_BEGIN_NAMESPACE_STD
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using ::ptrdiff_t;
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using ::size_t;
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typedef long double max_align_t;
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#ifdef _LIBCPP_HAS_NO_NULLPTR
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struct nullptr_t
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{
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void* _;
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struct __nat {int __for_bool_;};
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_LIBCPP_ALWAYS_INLINE nullptr_t(int __nat::*) {}
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_LIBCPP_ALWAYS_INLINE operator int __nat::*() const {return 0;}
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template <class T>
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_LIBCPP_ALWAYS_INLINE
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operator T* () const {return 0;}
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template <class T, class U>
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_LIBCPP_ALWAYS_INLINE
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operator T U::* () const {return 0;}
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friend _LIBCPP_ALWAYS_INLINE bool operator==(nullptr_t, nullptr_t) {return true;}
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friend _LIBCPP_ALWAYS_INLINE bool operator!=(nullptr_t, nullptr_t) {return false;}
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friend _LIBCPP_ALWAYS_INLINE bool operator<(nullptr_t, nullptr_t) {return false;}
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friend _LIBCPP_ALWAYS_INLINE bool operator<=(nullptr_t, nullptr_t) {return true;}
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friend _LIBCPP_ALWAYS_INLINE bool operator>(nullptr_t, nullptr_t) {return false;}
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friend _LIBCPP_ALWAYS_INLINE bool operator>=(nullptr_t, nullptr_t) {return true;}
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};
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inline _LIBCPP_ALWAYS_INLINE nullptr_t __get_nullptr_t() {return nullptr_t(0);}
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#define nullptr _STD::__get_nullptr_t()
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#else
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typedef decltype(nullptr) nullptr_t;
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#endif
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_LIBCPP_END_NAMESPACE_STD
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#endif // _LIBCPP_CSTDDEF
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