fcloseall
Section: C Library Functions (3)
Updated: 2022-12-15
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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 | MT-Unsafe race:streams
|
The
fcloseall()
function does not lock the streams, so it is not thread-safe.
STANDARDS
This function is a GNU extension.
SEE ALSO
close(2),
fclose(3),
fflush(3),
fopen(3),
setbuf(3)
Index
- NAME
-
- LIBRARY
-
- SYNOPSIS
-
- DESCRIPTION
-
- RETURN VALUE
-
- ATTRIBUTES
-
- STANDARDS
-
- SEE ALSO
-
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