c++标准库ctime文件

// ctime standard header // Copyright (c) Microsoft Corporation. // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception #pragma once #ifndef _CTIME_ #define _CTIME_ #include <yvals.h> #if _STL_COMPILER_PREPROCESSOR #include <time.h> #pragma pack(push, _CRT_PACKING) #pragma warning(push, _STL_WARNING_LEVEL) #pragma warning(disable : _STL_DISABLED_WARNINGS) _STL_DISABLE_CLANG_WARNINGS #pragma push_macro("new") #undef new _STD_BEGIN using _CSTD clock_t; using _CSTD size_t; using _CSTD time_t; using _CSTD tm; using _CSTD asctime; using _CSTD clock; using _CSTD ctime; using _CSTD difftime; using _CSTD gmtime; using _CSTD localtime; using _CSTD mktime; using _CSTD strftime; using _CSTD time; #if _HAS_CXX17 using _CSTD timespec; using _CSTD timespec_get; #endif // _HAS_CXX17 _STD_END #pragma pop_macro("new") _STL_RESTORE_CLANG_WARNINGS #pragma warning(pop) #pragma pack(pop) #endif // _STL_COMPILER_PREPROCESSOR #endif // _CTIME_