1DYSIZE(3)                  Linux Programmer's Manual                 DYSIZE(3)
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NAME

6       dysize - get number of days for a given year
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SYNOPSIS

9       #define _BSD_SOURCE   /* or: #define _SVID_SOURCE */
10       #include <time.h>
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12       int dysize(int year);
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DESCRIPTION

16       The  function  returns  365  for a normal year and 366 for a leap year.
17       The calculation for leap year is based on:
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19       (year) %4 == 0 && ((year) %100 != 0 || (year) %400 == 0)
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21       The formula is defined  in  the  macro  __isleap(year)  also  found  in
22       <time.h>.
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CONFORMING TO

25       This function occurs in SunOS 4.x.
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NOTES

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

32       strftime(3), time(3), feature_test_macros(7)
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36GNU                            November 12, 2001                     DYSIZE(3)
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