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.\" Hey Emacs! This file is -*- nroff -*- source.
.\"
.\" This manpage is Copyright (C) 1992 Drew Eckhardt;
.\" 1993 Michael Haardt, Ian Jackson.
.\"
.\" 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.\" manual page may be incorrect or out-of-date.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 Sat Jul 24 13:35:59 1993 by Rik Faith <faith@cs.unc.edu>
.\" Modified Sun Nov 28 17:19:01 1993 by Rik Faith <(faith@cs.unc.edu>
.\" Modified Sat Jan 13 12:58:08 1996 by Michael Haardt
.\" <michael@cantor.informatik.rwth-aachen.de>
.\" Modified Sun Jul 21 18:59:33 1996 by Andries Brouwer <aeb@cwi.nl>
.\"
.\" Japanese Version Copyright (c) 1997 HANATAKA Shinya
.\" all rights reserved.
.\" Translated Tue Mar 4 00:18:20 JST 1997
.\" by HANATAKA Shinya <hanataka@abyss.rim.or.jp>
.\"
.\"WORD: descriptor ǥץ
.\"WORD: buffer Хåե
.\"WORD: file system ե롦ƥ
.\"WORD: object ֥
.\"WORD: pipe ѥ
.\"WORD: socket å
.\"WORD: signal ʥ
.\"WORD: catch (catch)
.\"WORD: block ػ(block)
.\"WORD: interrupt
.\"WORD: non-blocking I/O I/O
.\"WORD: device ǥХ
.\"WORD: low-level I/O ٥ I/O
.\"
.TH WRITE 2 "13 January 1996" "Linux 2.0.32" "Linux Programmer's Manual"
.SH ̾
write \- ե롦ǥץ(file descriptor)˽
.SH
.B #include <unistd.h>
.sp
.BI "ssize_t write(int " fd ", const void *" buf ", size_t " count );
.SH
.B write
.I buf
ǼХåե
.I count
ХȤޤǤե롦ǥץ
.I fd
ˤäƻȤեؤȽࡣ
POSIX \fBwrite()\fP Ԥʤ줿˼¹Ԥ \fBread()\fP
ǡ֤ȤᤷƤ롣ƤΥե롦ƥ
(file system) POSIX ǤϤʤȤդ뤳ȡ
.SH "֤"
ˤϡޤ줿Хȿ֤(ϲޤ
äȤ) 顼ʤ \-1 ֤졢\fIerrno\fP Ŭڤ
롣⤷ \fIcount\fP ǥե롦ǥץ̾Υե
(regular file)ȤƤϡ¾˲αƶʤ 0 ֤롣
üեξˤϡ̤˸ߴϤʤ
.SH 顼
.TP
.B EBADF
.I fd
ͭʥե롦ǥץǤʤߤΤ˥ץ
(open)Ƥʤ
.TP
.B EINVAL
.I fd
ߤŬڤʥ֥(object)ȤƤ롣
.TP
.B EFAULT
.I buf
ǽʥɥ쥹(address space)γˤ롣
.TP
.B EPIPE
.I fd
ѥ(pipe)å(socket)³Ƥꡢȿ¦
(close)Ƥ롣줬ȯˤϡ߹Ԥʤץ
.B SIGPIPE
ʥ(signal)롣⤷Υʥ(catch)ػ(block)
̵(ignore)Ƥ
.B EPIPE
顼֤롣
.TP
.B EAGAIN
(non-blocking) I/O
.B O_NONBLOCK
ѤƤꡢ
.I fd
³줿åȤޤϥѥפˤ˥ǡ
νʬʶʤ
.TP
.B EINTR
Υǡʤ֤˥ʥˤäƳޤ줿(interrupt)
.TP
.B ENOSPC
.I fd
ˤäƻȤեޤǥХ(device)˽ʬʶʤ
.TP
.B EIO
inode ν٥(low-level) I/O 顼ȯ
.PP
.IR fd
³줿֥ȤˤäƤ¾Υ顼뤫⤷ʤ
.SH ""
SVID, AT&T, POSIX, X/OPEN, BSD 4.3
.SH "Ϣ"
.BR open (2),
.BR read (2),
.BR fcntl (2),
.BR close (2),
.BR lseek (2),
.BR select (2),
.BR ioctl (2),
.BR fsync (2),
.BR fwrite (3)
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