C Language and Libraries Help (clang.hlp) (Table of Contents; Topic list)
strftime
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─────Run-Time Library───────────────────────────────────────────────────────
 
  Include:   <time.h>
 
  Syntax:    size_t strftime( char *string, size_t maxsize,
                              char *format, struct tm *timeptr );
 
  Returns:   the number of characters stored in <string> if successful,
             or 0 if not.
 
  See also:  localeconv, setlocale, sprintf
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