+
−/* Retrieve information about a FILE stream.
+
−   Copyright (C) 2007, 2009-2013 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 3 of the License, 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, see <http://www.gnu.org/licenses/>.  */
+
−
+
−#include <stdbool.h>
+
−#include <stdio.h>
+
−
+
−/* Return true if the stream STREAM supports writing, false if it supports
+
−   only reading.
+
−   STREAM must not be wide-character oriented.
+
−   The result doesn't change until the stream is closed or re-opened.  */
+
−
+
−#if HAVE___FWRITABLE /* glibc >= 2.2, Solaris >= 7, musl libc */
+
−
+
−# include <stdio_ext.h>
+
−# define fwritable(stream) (__fwritable (stream) != 0)
+
−
+
−#else
+
−
+
−# ifdef __cplusplus
+
−extern "C" {
+
−# endif
+
−
+
−extern bool fwritable (FILE *stream);
+
−
+
−# ifdef __cplusplus
+
−}
+
−# endif
+
−
+
−#endif