名前空間
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操作

asctime

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* asctime( const tm* time_ptr );
与えられたカレンダー時刻tmは、テキスト形式に変換します.
Original:
Converts given calendar time tm to a textual representation.
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結果の文字列の形式は次のとおりです
Original:
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
    Original:
    mm - minutes
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  • ss - 秒
    Original:
    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_ptr -
印刷する時間を指定してtmオブジェクトへのポインタを返します
Original:
pointer to a tm 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。 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. POSIX marks this function obsolete and recommends strftime instead.
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timeptr->tm_wday、またはtimeptr->tm_mon予想の範囲内でない場合、またはtimeptr->tm_yearINT_MAX-1990を超えた場合、出力文字列は、25文字より長くなる場合の動作は未定義です.
Original:
The behavior is undefined if the output string would be longer than 25 characters, if timeptr->tm_wday or timeptr->tm_mon are not within the expected ranges, or if timeptr->tm_year exceeds INT_MAX-1990.
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一部の実装では、前月の最後の日を意味するものとしてtimeptr->tm_mday==0を処理.
Original:
Some implementations handle timeptr->tm_mday==0 as meaning the last day of the preceding month.
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[編集]

[編集] も参照してください

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 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]
C++ documentation for asctime