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