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.\" 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
.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
.\" 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
.\" SUCH DAMAGE.
.\"
.\" @(#)fflush.3 5.4 (Berkeley) 6/29/91
.\"
.\" Converted for Linux, Mon Nov 29 15:22:01 1993, faith@cs.unc.edu
.\"
.TH FFLUSH 3 "29/11/1993" "Pgina de Manual do BSD" "Manual do Programador do Linux"
.SH NOME
fflush \- descarrega uma stream (arquivo interno)
.SH SINOPSE
.B #include <stdio.h>
.sp
.BI "int fflush(FILE *" stream );
.SH DESCRIO
A funo
.B fflush
fora a gravao de todos os dados bufferizados para a sada dada ou
atualiza
.I stream
atravs da funo write subjacente da stream. O estado de abertura da
stream no afetado.
.PP
Se o argumento
.I stream
.BR NULL ,
.B fflush
descarrega
.I todas
as streams de sada abertas.
.SH "VALORES DE RETORNO"
Se houver sucesso, 0 retornado. Seno,
.B EOF
retornado e a varivel global
.I errno
ajustada para indicar o erro.
.SH ERROS
.TP
.B EBADF
.I Stream
no uma stream aberta, ou no est aberta para gravao.
.PP
A funo
.B fflush
pode falhar tambm e ajustar
.I errno
para qualquer dos erros especificados para a rotina
.BR write (2).
.SH "VAJA TAMBM"
.BR write "(2), " fopen "(3), " fclose "(3), " setbuf (3)
.SH "DE ACORDO COM"
A funo
.B fflush
est de acordo com o ANSI X3.159-1989 (``ANSI C'').
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