blob: df30f95dfa252472da0374920d414037cf2ccd8c (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
|
'\" t
.\" Copyright (c) 2006 by Michael Kerrisk <mtk.manpages@gmail.com>
.\"
.\" SPDX-License-Identifier: Linux-man-pages-copyleft
.\"
.TH fcloseall 3 2022-12-15 "Linux man-pages 6.03"
.SH NAME
fcloseall \- close all open streams
.SH LIBRARY
Standard C library
.RI ( libc ", " \-lc )
.SH SYNOPSIS
.nf
.BR "#define _GNU_SOURCE" " /* See feature_test_macros(7) */"
.B #include <stdio.h>
.PP
.B int fcloseall(void);
.fi
.SH DESCRIPTION
The
.BR fcloseall ()
function closes all of the calling process's open streams.
Buffered output for each stream is written before it is closed
(as for
.BR fflush (3));
buffered input is discarded.
.PP
The standard streams,
.IR stdin ,
.IR stdout ,
and
.I stderr
are also closed.
.SH RETURN VALUE
This function returns 0 if all files were successfully closed;
on error,
.B EOF
is returned.
.SH ATTRIBUTES
For an explanation of the terms used in this section, see
.BR attributes (7).
.ad l
.nh
.TS
allbox;
lbx lb lb
l l l.
Interface Attribute Value
T{
.BR fcloseall ()
T} Thread safety MT-Unsafe race:streams
.TE
.hy
.ad
.sp 1
.PP
The
.BR fcloseall ()
function does not lock the streams, so it is not thread-safe.
.SH STANDARDS
This function is a GNU extension.
.SH SEE ALSO
.BR close (2),
.BR fclose (3),
.BR fflush (3),
.BR fopen (3),
.BR setbuf (3)
|
