llvm-project/libcxx/include/ctime

// -*- C++ -*-
//===---------------------------- ctime -----------------------------------===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//

#ifndef _LIBCPP_CTIME
#define _LIBCPP_CTIME

/*
    ctime synopsis

Macros:

    NULL
    CLOCKS_PER_SEC
    TIME_UTC // C++17
    
namespace std
{

Types:

    clock_t
    size_t
    time_t
    tm
    timespec // C++17
    
clock_t clock();
double difftime(time_t time1, time_t time0);
time_t mktime(tm* timeptr);
time_t time(time_t* timer);
char* asctime(const tm* timeptr);
char* ctime(const time_t* timer);
tm*    gmtime(const time_t* timer);
tm* localtime(const time_t* timer);
size_t strftime(char* restrict s, size_t maxsize, const char* restrict format,
                const tm* restrict timeptr);
int timespec_get( struct timespec *ts, int base); // C++17
}  // std

*/

#include <__config>
#include <time.h>

#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
#pragma GCC system_header
#endif

_LIBCPP_BEGIN_NAMESPACE_STD

using ::clock_t;
using ::size_t;
using ::time_t;
using ::tm;
#if _LIBCPP_STD_VER > 14 && defined(_LIBCPP_HAS_C11_FEATURES)
using ::timespec;
#endif
using ::clock;
using ::difftime;
using ::mktime;
using ::time;
#ifndef _LIBCPP_HAS_NO_THREAD_UNSAFE_C_FUNCTIONS
using ::asctime;
using ::ctime;
using ::gmtime;
using ::localtime;
#endif
using ::strftime;
#if _LIBCPP_STD_VER > 14 && defined(_LIBCPP_HAS_TIMESPEC_GET)
using ::timespec_get;
#endif

_LIBCPP_END_NAMESPACE_STD

#endif  // _LIBCPP_CTIME