3. Library calls (functions within program libraries)

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FCLOSEALL

Section: Linux Programmer's Manual (3)
Updated: 2015-03-02
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NAME

fcloseall - close all open streams  

SYNOPSIS

#define _GNU_SOURCE         /* See feature_test_macros(7) */
#include <stdio.h>

int fcloseall(void);
 

DESCRIPTION

The fcloseall() function closes all of the calling process's open streams. Buffered output for each stream is written before it is closed (as for fflush(3)); buffered input is discarded.

The standard streams, stdin, stdout, and stderr are also closed.  

RETURN VALUE

This function returns 0 if all files were successfully closed; on error, EOF is returned.  

ATTRIBUTES

For an explanation of the terms used in this section, see attributes(7).
InterfaceAttributeValue
fcloseall() Thread safetyMT-Unsafe race:streams

The fcloseall() function does not lock the streams, so it is not thread-safe.  

CONFORMING TO

This function is a GNU extension.  

SEE ALSO

close(2), fclose(3), fflush(3), fopen(3), setbuf(3)  

COLOPHON

This page is part of release 4.04 of the Linux man-pages project. A description of the project, information about reporting bugs, and the latest version of this page, can be found at http://www.kernel.org/doc/man-pages/.


 

Index

NAME
SYNOPSIS
DESCRIPTION
RETURN VALUE
ATTRIBUTES
CONFORMING TO
SEE ALSO
COLOPHON

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