1 /* Retrieve information about a FILE stream.
2 Copyright (C) 2007, 2009-2021 Free Software Foundation, Inc.
3
4 This file is free software: you can redistribute it and/or modify
5 it under the terms of the GNU Lesser General Public License as
6 published by the Free Software Foundation; either version 3 of the
7 License, or (at your option) any later version.
8
9 This file is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU Lesser General Public License for more details.
13
14 You should have received a copy of the GNU Lesser General Public License
15 along with this program. If not, see <https://www.gnu.org/licenses/>. */
16
17 #include <stdio.h>
18
19 #ifdef __cplusplus
20 extern "C" {
21 #endif
22
23 /* Return the buffering mode of the stream STREAM.
24
25 Result means
26 ------ -------
27 _IONBF unbuffered
28 _IOLBF line buffered
29 _IOFBF fully buffered
30
31 STREAM must not be wide-character oriented. */
32 extern int fbufmode (FILE *stream);
33
34 #ifdef __cplusplus
35 }
36 #endif