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ctime

提供: cppreference.com
< c‎ | chrono

 
 
日付と時間のユーティリティ
機能します
Original:
Functions
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時間操作
Original:
Time manipulation
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difftime
time
clock
フォーマット変換
Original:
Format conversions
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asctime
ctime
strftime
wcsftime
gmtime
localtime
mktime
定数
Original:
Constants
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CLOCKS_PER_SEC
タイプ
Original:
Types
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tm
time_t
clock_t
 
Defined in header <time.h>
char* ctime( const time_t* time );
asctime(localtime(time))を呼び出したかのように、カレンダーをローカル時間にしてから、テキスト表現にエポックからの経過時間を与えられたに変換します。結果の文字列の形式は次のとおりです
Original:
Converts given time since epoch to a calendar local time and then to a textual representation, as if by calling asctime(localtime(time)). The resulting string has the following format:
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Www Mmm dd hh:mm:ss yyyy
  • Www - 曜日(Monの一つ、TueWedThuFriSatSun).
    Original:
    Www - the day of the week (one of Mon, Tue, Wed, Thu, Fri, Sat, Sun).
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  • Mmm - 月(Janの一つ、FebMarAprMayJunJulAugSepOctNovDec).
    Original:
    Mmm - the month (one of Jan, Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec).
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  • dd - 月の日
    Original:
    dd - the day of the month
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  • hh - 時間
    Original:
    hh - hours
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  • mm - 分
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    mm - minutes
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  • ss - 秒
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    ss - seconds
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  • yyyy - 年
    Original:
    yyyy - years
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この関数は、ローカリゼーションをサポートしていません.
Original:
The function does not support localization.
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目次

[編集] パラメータ

time -
印刷する時間を指定してtime_tオブジェクトへのポインタを返します
Original:
pointer to a time_t object specifying the time to print
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[編集] 値を返します

日付と時刻のテキスト表現を保持する静的ヌル終端の文字列へのポインタ。文字列はasctimectime間で共有することができ、これらの機能のいずれかを呼び出すたびに上書きされる可能性があります.
Original:
pointer to a static null-terminated character string holding the textual representation of date and time. The string may be shared between asctime and ctime, and may be overwritten on each invocation of any of those functions.
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[編集] ノート

この関数は、静的データへのポインタを返し、スレッドセーフではありません。また、tmgmtimeと共有することができる静的なlocaltimeオブジェクトを変更します。 POSIXでは、この関数は廃止されたとマークして、代わりにstrftimeお勧め.
Original:
This function returns a pointer to static data and is not thread-safe. In addition, it modifies the static tm object which may be shared with gmtime and localtime. POSIX marks this function obsolete and recommends strftime instead.
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挙動は、time_t型の値は文字列で、その結果より長い25文字(例:年間10000)のために定義されていないかもしれません
Original:
The behavior may be undefined for the values of time_t that result in the string longer than 25 characters (e.g. year 10000)
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[編集]

[編集] も参照してください

テキスト表現にtime_tオブジェクトを変換します
Original:
converts a time_t object to a textual representation
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(機能) [edit]
カスタムテキスト表現にtmオブジェクトを変換します
Original:
converts a tm object to custom textual representation
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(機能) [edit]