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-rw-r--r--lib/fbufmode.h37
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diff --git a/lib/fbufmode.h b/lib/fbufmode.h
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+/* Retrieve information about a FILE stream.
+ Copyright (C) 2007 Free Software Foundation, Inc.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2, or (at your option)
+ any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License along
+ with this program; if not, write to the Free Software Foundation,
+ Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
+
+#include <stdio.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Return the buffering mode of the stream STREAM.
+
+ Result means
+ ------ -------
+ _IONBF unbuffered
+ _IOLBF line buffered
+ _IOFBF fully buffered
+
+ STREAM must not be wide-character oriented. */
+extern int fbufmode (FILE *stream);
+
+#ifdef __cplusplus
+}
+#endif