C Tutorial/time.h/strftime — различия между версиями
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Версия 14:21, 25 мая 2010
strftime
Item Value Header file time.h Declaration size_t strftime(char *str, size_t maxsize, const char *fmt, const struct tm *time); Function format time and date into a string
- The strftime() function works a little like sprintf().
- The strftime() function returns the number of characters stored in the string pointed to by str or zero if an error occurs.
Command Replaced By %a Abbreviated weekday name %A Full weekday name %b Abbreviated month name %B Full month name %c Standard date and time string %C Last two digits of year %d Day of month as a decimal (1-31) %D month/day/year (added by C99) %e Day of month as a decimal (1-31) in a two-character field (added by C99) %F year-month-day (added by C99) %g Last two digits of year using a week-based year (added by C99) %G The year using a week-based year (added by C99) %h Abbreviated month name (added by C99) %H Hour (0-23) %I Hour (1-12) %j Day of year as a decimal (1-366) %m Month as decimal (1-12) %M Minute as decimal (0-59) %n A newline (added by C99) %p Locale"s equivalent of AM or PM %r 12-hour time (added by C99) %R hh:mm (added by C99) %S Second as decimal (0-60) %t Horizontal tab (added by C99) %T hh:mm:ss (added by C99) %u Day of week; Monday is first day of week (0-53) (added by C99) %U Week of year, Sunday being first day (0-53) %V Week of year using a week-based year (added by C99) %w Weekday as a decimal (0-6, Sunday being 0) %W Week of year, Monday being first day (0-53) %x Standard date string %X Standard time string %y Year in decimal without century (0-99) %Y Year including century as decimal %z Offset from UTC (added by C99) %Z Time zone name %% The percent sign
