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gmtime

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
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Format conversions
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asctime
ctime
strftime
wcsftime
gmtime
localtime
mktime
定数
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Constants
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CLOCKS_PER_SEC
タイプ
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Types
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tm
time_t
clock_t
 
Defined in header <time.h>
tm* gmtime( const time_t* time );
世界協定時刻(UTC)で表され、カレンダー時間にtime_t値としてエポックからの経過時間を与えられたに変換.
Original:
Converts given time since epoch as time_t value into calendar time, expressed in Coordinated Universal Time (UTC).
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目次

[編集] パラメータ

time -
変換するtime_t型のオブジェクトへのポインタ
Original:
pointer to a time_t object to convert
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[編集] 値を返します

成功したのか、そうでなければtm上の静的内部NULLオブジェクトへのポインタ。構造はgmtime、とlocaltimectime間で共有することができ、各呼び出しで上書きされるかもしれません.
Original:
pointer to a static internal tm object on success, or NULL otherwise. The structure may shared between gmtime, localtime, and ctime and may be overwritten on each invocation.
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[編集] ノート

この関数は、スレッドセーフではないかもしれません.
Original:
This function may not be thread-safe.
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POSIXは引数が大きすぎるため、それが失敗した場合、この関数はerrnoEOVERFLOW設定している必要があります.
Original:
POSIX requires that this function sets errno to EOVERFLOW if it fails because the argument is too large.
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[編集]

[編集] も参照してください

現地時刻で表したカレンダー時刻をエポックからの経過時間に変換します
Original:
converts time since epoch to calendar time expressed as local time
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(機能) [edit]