dysize man page on CentOS

dysize man page on CentOS

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DYSIZE(3)		   Linux Programmer's Manual		     DYSIZE(3)

NAME
       dysize - get number of days for a given year

SYNOPSIS
       #define _BSD_SOURCE   /* or: #define _SVID_SOURCE */
       #include <time.h>

       int dysize(int year);

DESCRIPTION
       The  function  returns  365  for a normal year and 366 for a leap year.
       The calculation for leap year is based on:

       (year) %4 == 0 && ((year) %100 != 0 || (year) %400 == 0)

       The formula is defined  in  the	macro  __isleap(year)  also  found  in
       <time.h>.

CONFORMING TO
       This function occurs in SunOS 4.x.

NOTES
       This  is	 a compatibility function only.	 Don't use it in new programs.
       The SCO version of this function had a year-2000 problem.

SEE ALSO
       strftime(3), time(3)

GNU			       November 12, 2001		     DYSIZE(3)

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