redhat man page for dysize

Query: dysize

OS: redhat

Section: 3

Format: Original Unix Latex Style Formatted with HTML and a Horizontal Scroll Bar

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)
Related Man Pages
cal(1) - opensolaris
ndaysg(3) - freebsd
jdate(3) - freebsd
easterog(3) - freebsd
easter_days(3) - php
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