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NAME

       dysize - get number of days for a given year

SYNOPSIS

       #include <time.h>

       int dysize(int year);

   Feature Test Macro Requirements for glibc (see feature_test_macros(7)):

       dysize(): _BSD_SOURCE || _SVID_SOURCE

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)

COLOPHON

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