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DYSIZE (3) | C library functions | Unix Manual Pages | :man

NAME

dysize - get number of days for a given year

CONTENTS

Synopsis
Description
Notes

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)


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