1 .\" Copyright (c) 2006 by Michael Kerrisk <mtk.manpages@gmail.com>
3 .\" %%%LICENSE_START(VERBATIM)
4 .\" Permission is granted to make and distribute verbatim copies of this
5 .\" manual provided the copyright notice and this permission notice are
6 .\" preserved on all copies.
8 .\" Permission is granted to copy and distribute modified versions of this
9 .\" manual under the conditions for verbatim copying, provided that the
10 .\" entire resulting derived work is distributed under the terms of a
11 .\" permission notice identical to this one.
13 .\" Since the Linux kernel and libraries are constantly changing, this
14 .\" manual page may be incorrect or out-of-date. The author(s) assume no
15 .\" responsibility for errors or omissions, or for damages resulting from
16 .\" the use of the information contained herein. The author(s) may not
17 .\" have taken the same level of care in the production of this manual,
18 .\" which is licensed free of charge, as they might when working
21 .\" Formatted or processed versions of this manual, if unaccompanied by
22 .\" the source, must acknowledge the copyright and authors of this work.
25 .TH FCLOSEALL 3 2017-09-15 "GNU" "Linux Programmer's Manual"
27 fcloseall \- close all open streams
30 .BR "#define _GNU_SOURCE" " /* See feature_test_macros(7) */"
33 .B int fcloseall(void);
38 function closes all of the calling process's open streams.
39 Buffered output for each stream is written before it is closed
42 buffered input is discarded.
51 This function returns 0 if all files were successfully closed;
56 For an explanation of the terms used in this section, see
62 Interface Attribute Value
65 T} Thread safety MT-Unsafe race:streams
70 function does not lock the streams, so it is not thread-safe.
72 This function is a GNU extension.