dysize man page on Kali

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

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():
	   Since glibc 2.19:
	       _DEFAULT_SOURCE
	   Glibc 2.19 and earlier:
	       _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>.

ATTRIBUTES
       For   an	  explanation	of   the  terms	 used  in  this	 section,  see
       attributes(7).

       ┌──────────┬───────────────┬─────────┐
       │Interface │ Attribute	  │ Value   │
       ├──────────┼───────────────┼─────────┤
       │dysize()  │ Thread safety │ MT-Safe │
       └──────────┴───────────────┴─────────┘
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 4.14 of the Linux  man-pages  project.   A
       description  of	the project, information about reporting bugs, and the
       latest	 version    of	  this	  page,	   can	   be	  found	    at
       https://www.kernel.org/doc/man-pages/.

GNU				  2016-03-15			     DYSIZE(3)
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