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c11b1abf | 1 | .\" Copyright (c) 2006 by Michael Kerrisk <mtk.manpages@gmail.com> |
fea681da | 2 | .\" |
93015253 | 3 | .\" %%%LICENSE_START(VERBATIM) |
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4 | .\" Permission is granted to make and distribute verbatim copies of this |
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fea681da | 7 | .\" |
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8 | .\" Permission is granted to copy and distribute modified versions of this |
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fea681da | 12 | .\" |
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13 | .\" Since the Linux kernel and libraries are constantly changing, this |
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4b72fb64 | 23 | .\" %%%LICENSE_END |
fea681da | 24 | .\" |
4b8c67d9 | 25 | .TH FCLOSEALL 3 2017-09-15 "GNU" "Linux Programmer's Manual" |
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26 | .SH NAME |
27 | fcloseall \- close all open streams | |
28 | .SH SYNOPSIS | |
d5d687b1 | 29 | .nf |
b80f966b | 30 | .BR "#define _GNU_SOURCE" " /* See feature_test_macros(7) */" |
fea681da | 31 | .B #include <stdio.h> |
68e4db0a | 32 | .PP |
fea681da | 33 | .B int fcloseall(void); |
d5d687b1 | 34 | .fi |
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35 | .SH DESCRIPTION |
36 | The | |
e511ffb6 | 37 | .BR fcloseall () |
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38 | function closes all of the calling process's open streams. |
39 | Buffered output for each stream is written before it is closed | |
40 | (as for | |
41 | .BR fflush (3)); | |
42 | buffered input is discarded. | |
847e0d88 | 43 | .PP |
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44 | The standard streams, |
45 | .IR stdin , | |
46 | .IR stdout , | |
47 | and | |
0daa9e92 | 48 | .I stderr |
c1cf42a5 | 49 | are also closed. |
47297adb | 50 | .SH RETURN VALUE |
c1cf42a5 | 51 | This function returns 0 if all files were successfully closed; |
c13182ef MK |
52 | on error, |
53 | .B EOF | |
c1cf42a5 | 54 | is returned. |
f4d7c22b | 55 | .SH ATTRIBUTES |
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56 | For an explanation of the terms used in this section, see |
57 | .BR attributes (7). | |
58 | .TS | |
59 | allbox; | |
60 | lb lb lb | |
61 | l l l. | |
62 | Interface Attribute Value | |
63 | T{ | |
64 | .BR fcloseall () | |
72c3922a | 65 | T} Thread safety MT-Unsafe race:streams |
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66 | .TE |
67 | .PP | |
f4d7c22b PH |
68 | The |
69 | .BR fcloseall () | |
70 | function does not lock the streams, so it is not thread-safe. | |
47297adb | 71 | .SH CONFORMING TO |
c1cf42a5 | 72 | This function is a GNU extension. |
47297adb | 73 | .SH SEE ALSO |
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74 | .BR close (2), |
75 | .BR fclose (3), | |
76 | .BR fflush (3), | |
77 | .BR fopen (3), | |
0a4f8b7b | 78 | .BR setbuf (3) |