Defined in header
char* asctime( const std::tm* time_ptr );
Converts given calendar time std::tm to a textual representation of the following fixed 25-character form: Www Mmm dd hh:mm:ss yyyy\n
Www- three-letter English abbreviated day of the week from time_ptr->tm_wday, one of
Mmm- three-letter English abbreviated month name from time_ptr->tm_mon, one of
dd- 2-digit day of the month from timeptr->tm_mday as if printed by sprintf using %2d
hh- 2-digit hour from timeptr->tm_hour as if printed by sprintf using %.2d
mm- 2-digit minute from timeptr->tm_min as if printed by sprintf using %.2d
ss- 2-digit second from timeptr->tm_sec as if printed by sprintf using %.2d
yyyy- 4-digit year from timeptr->tm_year + 1900 as if printed by sprintf using %4d
The behavior is undefined if any member of *time_ptr is outside its normal range
The behavior is undefined if the calendar year indicated by time_ptr->tm_year has more than 4 digits or is less than the year 1000.
The function does not support localization, and the newline character cannot be removed.
The function modifies static storage and is not thread-safe.
|time_ptr||-||pointer to a std::tm object specifying the time to print|
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.
This function returns a pointer to static data and is not thread-safe. POSIX marks this function obsolete and recommends std::strftime instead.
POSIX limits undefined behaviors only to when the output string would be longer than 25 characters, when
timeptr->tm_mon are not within the expected ranges, or when
timeptr->tm_year exceeds INT_MAX-1990.
Some implementations handle timeptr->tm_mday==0 as meaning the last day of the preceding month.
Mon Apr 3 20:26:26 2017
| converts a |
| converts a |
| formats and outputs a date/time value according to the specified format |