time头文件 – 梁笔记

time.h是C/C++中的日期和时间头文件。用于需要时间方面的函数。

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/* time.h

Struct and function declarations for dealing with time.

* C/C++ Run Time Library - Version 11.0

/* $Revision: 9.13.2.1 $ */

#ifndef __TIME_H

#define __TIME_H

#define _INC_TIME /* MSC Guard name */

#include <_stddef.h>

#ifdef __cplusplus

namespace std {

#endif /* __cplusplus */

#if !defined(RC_INVOKED)

#if defined(__STDC__)

#pragma warn -nak

#endif

#pragma pack(push, 1)

#endif /* !RC_INVOKED */

#ifndef _TIME_T

typedef long time_t;

#ifdef __cplusplus

# define _TIME_T std::time_t

#else

# define _TIME_T time_t

#endif /* __cplusplus */

#endif

#ifndef _CLOCK_T

#define _CLOCK_T

typedef long clock_t;

#endif

#define CLOCKS_PER_SEC 1000.0

#define CLK_TCK 1000.0

struct tm

{

int tm_sec;

int tm_min;

int tm_hour;

int tm_mday;

int tm_mon;

int tm_year;

int tm_wday;

int tm_yday;

int tm_isdst;

};

#ifdef __cplusplus

extern "C" {

#endif

char * _RTLENTRY _EXPFUNC asctime(const struct tm *__tblock);

char * _RTLENTRY _EXPFUNC ctime(const time_t *__time);

double _RTLENTRY _EXPFUNC difftime(time_t __time2, time_t __time1);

struct tm * _RTLENTRY _EXPFUNC gmtime(const time_t *__timer);

struct tm * _RTLENTRY _EXPFUNC localtime(const time_t *__timer);

time_t _RTLENTRY _EXPFUNC time(time_t *__timer);

time_t _RTLENTRY _EXPFUNC mktime(struct tm *__timeptr);

clock_t _RTLENTRY _EXPFUNC clock(void);

_SIZE_T _RTLENTRY _EXPFUNC strftime(char *__s, _SIZE_T __maxsize,

const char *__fmt, const struct tm *__t);

char * _RTLENTRY _EXPFUNC strptime(const char *__s,

const char *__fmt, struct tm *__t);

_SIZE_T _RTLENTRY _EXPFUNC _lstrftim(char *__s, _SIZE_T __maxsize,

const char *__fmt, const struct tm *__t);

wchar_t * _RTLENTRY _EXPFUNC _wasctime(const struct tm *__tblock);

wchar_t * _RTLENTRY _EXPFUNC _wctime(const time_t *__time);

wchar_t * _RTLENTRY _EXPFUNC _wstrdate(wchar_t *__datestr);

wchar_t * _RTLENTRY _EXPFUNC _wstrtime(wchar_t *__timestr);

_SIZE_T _RTLENTRY _EXPFUNC wcsftime(wchar_t *__s, _SIZE_T __maxsize,

const wchar_t *__fmt, const struct tm *__t);

void _RTLENTRY _EXPFUNC _wtzset(void);

extern int _RTLENTRY _EXPDATA _daylight;

extern long _RTLENTRY _EXPDATA _timezone;

extern char * const _RTLENTRY _EXPDATA _tzname[2];

extern wchar_t * const _RTLENTRY _EXPDATA _wtzname[2];

int _RTLENTRY stime(time_t *__tp);

void _RTLENTRY _EXPFUNC _tzset(void);

char * _RTLENTRY _EXPFUNC _strdate(char *__datestr);

char * _RTLENTRY _EXPFUNC _strtime(char *__timestr);

#if !defined(__STDC__)

void _RTLENTRY _EXPFUNC tzset(void);

/* MSC compatible routines: */

unsigned int _RTLENTRY _EXPFUNC _getsystime(struct tm *__timeptr);

unsigned int _RTLENTRY _EXPFUNC _setsystime(struct tm *__timeptr, unsigned int __ms);

#endif /* __STDC__ */

#ifdef __cplusplus

}

#endif

#if !defined(RC_INVOKED)

/* restore default packing */

#pragma pack(pop)

#if defined(__STDC__)

#pragma warn .nak

#endif

#endif /* !RC_INVOKED */

#ifdef __cplusplus

} // std

#endif

#endif /* __TIME_H */

#if defined(__cplusplus) && !defined(__USING_CNAME__) && !defined(__TIME_H_USING_LIST)

#define __TIME_H_USING_LIST

using std::time_t;

using std::clock_t;

using std::tm;

using std::asctime;

using std::ctime;

using std::difftime;

using std::gmtime;

using std::localtime;

using std::time;

using std::mktime;

using std::clock;

using std::strftime;

using std::strptime;

using std::_lstrftim;

using std::_wasctime;

using std::_wctime;

using std::_wstrdate;

using std::_wstrtime;

using std::wcsftime;

using std::_wtzset;

using std::stime;

using std::_tzset;

using std::_strdate;

using std::_strtime;

using std::_daylight;

using std::_timezone;

using std::_tzname;

using std::_wtzname;

#if !defined(__STDC__)

using std::tzset;

using std::_getsystime;

using std::_setsystime;

#endif

#endif /* __USING_CNAME__ */

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