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std::ctime

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< cpp‎ | chrono‎ | c

 
 
 
 
C-style Datum und Uhrzeit Versorgungsunternehmen
Funktionen
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Functions
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Zeit Manipulation
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Time manipulation
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difftime
time
clock
Format Konvertierungen
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Format conversions
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asctime
ctime
strftime
wcsftime
gmtime
localtime
mktime
Konstanten
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Constants
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CLOCKS_PER_SEC
Types
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Types
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tm
time_t
clock_t
 
Defined in header <ctime>
char* ctime( const std::time_t* time );
Konvertiert gegebenen Zeit seit Epoche zu einem Kalender Ortszeit und dann zu einem textuelle Repräsentation, als ob durch den Aufruf std::asctime(std::localtime(time)). Die resultierende Zeichenfolge hat folgendes Format:
Original:
Converts given time since epoch to a calendar local time and then to a textual representation, as if by calling std::asctime(std::localtime(time)). The resulting string has the following format:
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Www Mmm dd hh:mm:ss yyyy
  • Www - der Tag der Woche (eine Mon, Tue, Wed, Thu, Fri, Sat, Sun) .
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    Www - the day of the week (one of Mon, Tue, Wed, Thu, Fri, Sat, Sun).
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  • Mmm - der Monat (eine Jan, Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec) .
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    Mmm - the month (one of Jan, Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec).
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  • dd - der Tag des Monats
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    dd - the day of the month
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  • hh - Stunden
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    hh - hours
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  • mm - Minuten
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    mm - minutes
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  • ss - Sekunden
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    ss - seconds
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  • yyyy - Jahre
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    yyyy - years
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Die Funktion unterstützt keine Lokalisierung .
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The function does not support localization.
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Inhaltsverzeichnis

[Bearbeiten] Parameter

time -
Zeiger auf ein Objekt std::time_t Spezifizieren der Zeit zu drucken
Original:
pointer to a std::time_t object specifying the time to print
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[Bearbeiten] Rückgabewert

Zeiger auf einen statischen null-terminierte Zeichenkette Halten der textuelle Darstellung von Datum und Uhrzeit. Der String kann zwischen std::asctime und std::ctime geteilt werden, und können überschrieben werden bei jedem Aufruf einer dieser Funktionen .
Original:
Pointer to a static null-terminated character string holding the textual representation of date and time. The string may be shared between std::asctime and std::ctime, and may be overwritten on each invocation of any of those functions.
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[Bearbeiten] Notes

Diese Funktion gibt einen Zeiger auf statische Daten und ist nicht Thread-sicher. Darüber hinaus ändert es die statische std::tm Objekt, das mit std::gmtime und std::localtime gemeinsam genutzt werden kann. POSIX markiert diese Funktion obsolet und empfiehlt std::strftime statt .
Original:
This function returns a pointer to static data and is not thread-safe. In addition, it modifies the static std::tm object which may be shared with std::gmtime and std::localtime. POSIX marks this function obsolete and recommends std::strftime instead.
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Das Verhalten kann undefiniert sein für die Werte von time_t, die zu der String länger als 25 Zeichen (z. B. Jahr 10000)
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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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[Bearbeiten] Beispiel

#include <ctime>
#include <iostream>
 
int main()
{
    std::time_t result = std::time(NULL);
    std::cout << std::ctime(&result);
}

Output:

Tue Dec 27 17:21:29 2011

[Bearbeiten] Siehe auch

wandelt eine tm Objekt eine textuelle Repräsentation
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converts a tm object to a textual representation
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(Funktion) [edit]
wandelt eine tm Objekt benutzerdefinierte textuelle Repräsentation
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converts a tm object to custom textual representation
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(Funktion) [edit]
(C++11)
Formate und gibt ein Datum / Zeit-Wert nach dem angegebenen Format
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formats and outputs a date/time value according to the specified format
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(Funktions-Template) [edit]
C documentation for ctime