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.\" Hey Emacs! This file is -*- nroff -*- source.
.\"
.\" Copyright (c) 1992 Drew Eckhardt (drew@cs.colorado.edu), March 28, 1992
.\"
.\" Permission is granted to make and distribute verbatim copies of this
.\" manual provided the copyright notice and this permission notice are
.\" preserved on all copies.
.\"
.\" Permission is granted to copy and distribute modified versions of this
.\" manual under the conditions for verbatim copying, provided that the
.\" entire resulting derived work is distributed under the terms of a
.\" permission notice identical to this one.
.\"
.\" Since the Linux kernel and libraries are constantly changing, this
.\" manual page may be incorrect or out-of-date. The author(s) assume no
.\" responsibility for errors or omissions, or for damages resulting from
.\" the use of the information contained herein. The author(s) may not
.\" have taken the same level of care in the production of this manual,
.\" which is licensed free of charge, as they might when working
.\" professionally.
.\"
.\" Formatted or processed versions of this manual, if unaccompanied by
.\" the source, must acknowledge the copyright and authors of this work.
.\"
.\" Modified by Michael Haardt <michael@moria.de>
.\" Modified Sat Jul 24 14:13:40 1993 by Rik Faith <faith@cs.unc.edu>
.\" Additions by Joseph S. Myers <jsm28@cam.ac.uk>, 970909
.\"
.\" Japanese Version Copyright (c) 1997 SUTO, Mitsuaki
.\" all rights reserved.
.\" Translated Thu Jun 26 21:11:17 JST 1997
.\" by SUTO, Mitsuaki <suto@av.crl.sony.co.jp>
.\" Modified Sun Mar 21 17:23:27 JST 1999
.\" by HANATAKA Shinya <hanataka@abyss.rim.or.jp>
.\"
.\"WORD: the Epoch
.\"
.TH TIME 2 1997-09-09 "Linux" "Linux Programmer's Manual"
.SH ̾
time \- ñ̤λ֤
.SH
.B #include <time.h>
.sp
.BI "time_t time(time_t *" t );
.SH
.BR time ()
ϵ (1970ǯ1100:00:00 UTC) ηв֤ñ̤֤
⤷
.I t
NULL Ǥʤä֤ͤ
.I t
λؤƤˤǼ롣
.SH ֤
硢(the Epoch)ηвÿ֤顼ξ
\fI((time_t)\ \-1)\fP ֤\fIerrno\fP ꤹ롣
.SH 顼
.TP
.B EFAULT
.I t
ǽʥɥ쥹֤γؤƤ롣
.SH
SVr4, 4.3BSD, C89, C99, POSIX.1-2001.
.\" .br
.\" 4.3BSD ǤϤδؿ
.\" .BR gettimeofday (2)
.\" ˼äƤ롣
POSIX ˤϥ顼֤εϤʤ
.SH
POSIX.1 Ǥ
.I ֵηвÿ (seconds since the Epoch)
ϻꤷȵȤδ֤ÿǤƤ롣
ΤȤ UTC () äѴˤϡѤѴ
(ä̵뤷 4 dzڤǯ٤ƱǯȤ)
ѤΤȤƤ롣
ͤϵȸȤδ֤Ǽºݤ˷вᤷÿƱǤϤʤ
ʤʤбä¸ߤ뤷(clock)ɸ(standard reference)
Ʊ뤳ȤᤵƤʤǤ롣
ΰտޤϵηвÿβˤ뤳ȤǤ롣
ܤ POSIX.1 Annex B 2.2.2 Ȥ뤳ȡ
.SH Ϣ
.BR date (1),
.BR gettimeofday (2),
.BR ctime (3),
.BR ftime (3),
.BR time (7)
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