.\"  Copyright 2001 Walter Harms (walter.harms@informatik.uni-oldenburg.de)
.\"
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.\" aeb: some corrections
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.\" Japanese Version Copyright (c) 2002 NAKANO Takeo all rights reserved.
.\" Translated Sun 6 Jan 2002 by NAKANO Takeo <nakano@apm.seikei.ac.jp>
.\"
.TH DYSIZE 3 2010-09-22 "GNU" "Linux Programmer's Manual"
.\"O .SH NAME
.\"O dysize \- get number of days for a given year
.SH 名前
dysize \- 与えた年の日数を返す
.\"O .SH SYNOPSIS
.SH 書式
.B "#include <time.h>"
.sp
.BI "int dysize(int " year );
.sp
.in -4n
.\"O Feature Test Macro Requirements for glibc (see
.\"O .BR feature_test_macros (7)):
glibc 向けの機能検査マクロの要件
.RB ( feature_test_macros (7)
参照):
.in
.sp
.BR dysize ():
_BSD_SOURCE || _SVID_SOURCE
.\"O .SH DESCRIPTION
.SH 説明
.\"O The function returns 365 for a normal year and 366 for a leap year.
.\"O The calculation for leap year is based on:
この関数は通常の年には 365 を返し、うるう年には 366 を返す。
うるう年の計算は次の式による:
.sp
(year) %4 == 0 && ((year) %100 != 0 || (year) %400 == 0)
.sp
.\"O The formula is defined in the macro
.\"O .I __isleap(year)
.\"O also found in
.\"O .IR <time.h> .
この式は
.I __isleap(year)
マクロで定義されており、
.I <time.h>
にもある。
.\"O .SH "CONFORMING TO"
.SH 準拠
.\"O This function occurs in SunOS 4.x.
この関数は SunOS 4.x で生まれた。
.\"O .SH NOTES
.SH 注意
.\"O This is a compatibility function only.
.\"O Don't use it in new programs.
.\"O .\" The SCO version of this function had a year-2000 problem.
これは互換用の関数に過ぎない。新しいプログラムでは使わないこと。
.\" この関数の SCO 版には 2000 年問題が含まれていた。
.\"O .SH "SEE ALSO"
.SH 関連項目
.BR strftime (3)