.\" Copyright (c) 1990, 1991 The Regents of the University of California.
.\" All rights reserved.
.\"
.\" This code is derived from software contributed to Berkeley by
.\" Chris Torek and the American National Standards Committee X3,
.\" on Information Processing Systems.
.\"
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that the following conditions
.\" are met:
.\" 1. Redistributions of source code must retain the above copyright
.\"    notice, this list of conditions and the following disclaimer.
.\" 2. Redistributions in binary form must reproduce the above copyright
.\"    notice, this list of conditions and the following disclaimer in the
.\"    documentation and/or other materials provided with the distribution.
.\" 3. All advertising materials mentioning features or use of this software
.\"    must display the following acknowledgement:
.\"	This product includes software developed by the University of
.\"	California, Berkeley and its contributors.
.\" 4. Neither the name of the University nor the names of its contributors
.\"    may be used to endorse or promote products derived from this software
.\"    without specific prior written permission.
.\"
.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
.\" ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\"
.\"     @(#)fflush.3	5.4 (Berkeley) 6/29/91
.\"
.\" Converted for Linux, Mon Nov 29 15:22:01 1993, faith@cs.unc.edu
.\"
.\" Modified 2000-07-22 by Nicol Lichtmaier <nick@debian.org>
.\" Modified 2001-10-16 by John Levon <moz@compsoc.man.ac.uk>
.\"
.\" Japanese Version Copyright (c) 1997-2000 YOSHINO Takashi and NAKANO Takeo
.\"       all rights reserved.
.\" Translated Thu Feb 13 23:25:44 JST 1997
.\"       by YOSHINO Takashi <yoshino@civil.jcn.nihon-u.ac.jp>
.\" Update & Modified Mon 1 Mar 1999 by NAKANO Takeo <nakano@apm.seikei.ac.jp>
.\" Update & Modified Wed 21 Sep 2000 by NAKANO Takeo
.\" Updated Fri Nov  2 JST 2001 by Kentaro Shirakata <argrath@ub32.org>
.\"
.\"WORD:	global variable		ѿ
.\"WORD:	buffered		Хåե󥰤줿
.\"
.TH FFLUSH 3  2009-02-23 "GNU" "Linux Programmer's Manual"
.SH ̾
fflush \- ȥ꡼ƤŪ˽(եå)
.SH 
.B #include <stdio.h>
.sp
.BI "int fflush(FILE *" stream );
.SH 
.BR fflush ()
ؿϡ桼֤ǥХåե󥰤Ƥ뤹٤ƤΥǡ
Ϳ줿Ϥ˽񤭽Ф (եå夹)
뤤ϥȥ꡼
.I stream
β̤ˤ񤭹ߴؿѤƤΥȥ꡼򹹿롣
ȥ꡼ϳ֤ΤޤޤǤꡢ
δؿˤäƲαƶʤ
.PP
.I stream
 .BR NULL ʤС
.BR fflush ()
ϳƤ\fI٤Ƥ\fRϥȥ꡼եå夹롣
.PP
νå˹ԤȤϡ
.BR unlocked_stdio (3)
򻲾ȤΤȡ
.SH ֤
 0 ֤롣
¾ξˤ
.B EOF
֤졢
.I errno
顼бͤꤵ롣
.SH 顼
.TP
.B EBADF
.I Stream
ϳƤ륹ȥ꡼ǤϤʤ
뤤ϥȥ꡼Ͻ񤭹ѤǤϤʤ
.PP
.BR fflush ()
ؿ
.BR write (2)
˴ؤƵꤵƤ륨顼ǼԤ뤳Ȥ⤢롣
ξ
.I errno
⤽ͤꤵ롣
.SH 
C89, C99.
.SH 
.BR fflush ()
ϡ C 饤֥꤬ͿƤ桼֤ΥХåեեå夷ʤ
ǡʪŪ˥ǥ¸뤳ȤݾڤС
ͥХåեեå夷ʤФʤʤ
ˤ㤨
.BR sync (2)

.BR fsync (2)
Ѥ롣
.SH Ϣ
.BR fsync (2),
.BR sync (2),
.BR write (2),
.BR fclose (3),
.BR fopen (3),
.BR setbuf (3),
.BR unlocked_stdio (3)