std::gmtime
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| Déclaré dans l'en-tête <ctime>
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| std::tm* gmtime( const time_t* time ); |
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Convertit donné le temps depuis l'époque comme valeur std::time_t dans le temps calendaire, exprimé en temps universel coordonné (UTC) .
Original:
Converts given time since epoch as std::time_t value into calendar time, expressed in Coordinated Universal Time (UTC).
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Sommaire |
[modifier] Paramètres
| time | - | pointeur vers un objet time_t à convertir
Original: pointer to a time_t object to convert The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. |
[modifier] Retourne la valeur
Pointeur vers un objet std::tm statique interne en cas de succès, ou NULL autrement. La structure peut partagée entre std::gmtime, std::localtime et std::ctime et peut être écrasée à chaque appel .
Original:
Pointer to a static internal std::tm object on success, or NULL otherwise. The structure may shared between std::gmtime, std::localtime, and std::ctime and may be overwritten on each invocation.
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[modifier] Notes
Cette fonction peut ne pas être thread-safe .
Original:
This function may not be thread-safe.
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POSIX exige que cette fonction définit errno à EOVERFLOW si elle échoue parce que l'argument est trop grand .
Original:
POSIX requires that this function sets errno to EOVERFLOW if it fails because the argument is too large.
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[modifier] Exemple
#include <iostream> #include <iomanip> #include <ctime> int main() { std::time_t t = std::time(NULL); std::cout << "UTC: " << std::put_time(std::gmtime(&t), "%c %Z") << '\n' << "local: " << std::put_time(std::localtime(&t), "%c %Z") << '\n'; }
Résultat :
UTC: Wed Dec 28 11:44:28 2011 GMT local: Wed Dec 28 06:44:28 2011 EST
[modifier] Voir aussi
| convertit le temps depuis l'époque de temps du calendrier exprimée en heure locale Original: converts time since epoch to calendar time expressed as local time The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (fonction) | |
| C documentation for gmtime
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