Namespace
Varianti

ctime

Da cppreference.com.
< c‎ | chrono

 
 
Data e ora utilità
Funzioni
Original:
Functions
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Tempo di manipolazione
Original:
Time manipulation
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difftime
time
clock
Formato conversioni
Original:
Format conversions
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asctime
ctime
strftime
wcsftime
gmtime
localtime
mktime
Costanti
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Constants
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CLOCKS_PER_SEC
Tipi
Original:
Types
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tm
time_t
clock_t
 
Defined in header <time.h>
char* ctime( const time_t* time );
Converte dato il tempo da epoca ad un tempo calendario locale e quindi a una rappresentazione testuale, come se chiamando asctime(localtime(time)). La stringa risultante ha il seguente formato:
Original:
Converts given time since epoch to a calendar local time and then to a textual representation, as if by calling asctime(localtime(time)). The resulting string has the following format:
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Www Mmm dd hh:mm:ss yyyy
  • Www - il giorno della settimana (uno dei 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 - il mese (uno dei Jan, Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec).
    Original:
    Mmm - the month (one of Jan, Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec).
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  • dd - il giorno del mese
    Original:
    dd - the day of the month
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  • hh - ore
    Original:
    hh - hours
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  • mm - minuti
    Original:
    mm - minutes
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  • ss - secondi
    Original:
    ss - seconds
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  • yyyy - anni
    Original:
    yyyy - years
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La funzione non supporta la localizzazione.
Original:
The function does not support localization.
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Indice

[modifica] Parametri

time -
puntatore a un oggetto time_t specifica il tempo di stampa
Original:
pointer to a time_t object specifying the time to print
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[modifica] Valore di ritorno

puntatore ad una stringa con terminazione null personaggio che tiene la rappresentazione testuale di data e ora. La stringa può essere condiviso tra asctime e ctime, e può essere sovrascritto ad ogni invocazione di una di queste funzioni.
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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[modifica] Note

Questa funzione restituisce un puntatore a dati statici e non è thread-safe. Inoltre, modifica l'oggetto statico tm che possono essere condivise con gmtime e localtime. POSIX segna questa funzione obsoleta e raccomanda strftime invece.
Original:
This function returns a pointer to static data and is not thread-safe. In addition, it modifies the static tm object which may be shared with gmtime and localtime. POSIX marks this function obsolete and recommends strftime instead.
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Il comportamento può essere definito per i valori di time_t che risultato nella stringa più lunga di 25 caratteri (ad esempio: anno 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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[modifica] Esempio

[modifica] Vedi anche

converte un oggetto time_t di una rappresentazione testuale
Original:
converts a time_t object to a textual representation
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(funzione) [edit]
converte un oggetto personalizzato per tm rappresentazione testuale
Original:
converts a tm object to custom textual representation
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(funzione) [edit]