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std::ctime

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< cpp‎ | chrono‎ | c

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C++
 
Bibliothèque d'utilitaires
 
Utilitaires date et l'heure
 
C-style utilitaires date et l'heure
Fonctions
Original:
Functions
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La manipulation du temps
Original:
Time manipulation
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difftime
time
clock
Les conversions de format
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Format conversions
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asctime
ctime
strftime
wcsftime
gmtime
localtime
mktime
Constantes
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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
 
Déclaré dans l'en-tête <ctime>
char* ctime( const std::time_t* time );
Convertit donné le temps écoulé depuis l'époque à un moment civile locale et ensuite à une représentation textuelle, comme en appelant std::asctime(std::localtime(time)). La chaîne résultante a le format suivant:
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 - le jour de la semaine (un des Mon, Tue, Wed, Thu, Fri, Sat, Sun) .
    Original:
    Www - the day of the week (one of Mon, Tue, Wed, Thu, Fri, Sat, Sun).
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  • Mmm - le mois (l'un des 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 - le jour du mois
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    dd - the day of the month
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  • hh - heures
    Original:
    hh - hours
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  • mm - minutes
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    mm - minutes
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  • ss - secondes
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    ss - seconds
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  • yyyy - ans
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    yyyy - years
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La fonction de localisation ne supporte pas .
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The function does not support localization.
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Sommaire

[modifier] Paramètres

time -
pointeur vers un objet std::time_t spécifiant la durée d'impression
Original:
pointer to a std::time_t object specifying the time to print
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[modifier] Retourne la valeur

Pointeur vers une chaîne de caractères terminée par NULL statique en maintenant la représentation textuelle de la date et de l'heure. La chaîne peut être partagé entre std::asctime et std::ctime, et peut être écrasée à chaque appel de l'une de ces fonctions .
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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[modifier] Notes

Cette fonction retourne un pointeur vers des données statiques et n'est pas thread-safe. En outre, il modifie l'objet std::tm statique qui peuvent être partagées avec std::gmtime et std::localtime. POSIX marque cette fonction obsolète et recommande std::strftime la place .
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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Le comportement peut être définie pour les valeurs de time_t qui en résultent dans la chaîne de plus de 25 caractères (par exemple, année 10000)
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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[modifier] Exemple

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

Résultat : 

Tue Dec 27 17:21:29 2011

[modifier] Voir aussi
convertit un objet tm à une représentation textuelle
Original:
converts a tm object to a textual representation
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(fonction) [edit]
convertit un objet à tm représentation textuelle personnalisée
Original:
converts a tm object to custom textual representation
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(fonction) [edit]
(C++11)
formats et émet une valeur de date / heure selon le format spécifié
Original:
formats and outputs a date/time value according to the specified format
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(fonction générique) [edit]
C documentation for ctime
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