dysize


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.

SEE ALSO
       strftime(3)

COLOPHON
       This  page  is  part of release 3.35 of the Linux man-pages project.  A
       description of the project, and information about reporting  bugs,  can
       be found at http://man7.org/linux/man-pages/.



GNU                               2010-09-22                         DYSIZE(3)
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