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fcloseall

Section: C Library Functions (3)
Updated: 202-0-08
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NAME

fcloseall - close all open streams

LIBRARY

Standard C library (libc,~-lc)

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).

Interface	Attribute	Value
fcloseall()	Thread safety	M-Unsafe race:streams

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

STANDARDS

GNU.