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https://https.git.savannah.gnu.org/git/gnulib.git
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Bruno Haible
38 lines
1.2 KiB
C
38 lines
1.2 KiB
C
/* Retrieve information about a FILE stream.
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Copyright (C) 2007 Free Software Foundation, Inc.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along
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with this program; if not, write to the Free Software Foundation,
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Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
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#include <stddef.h>
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#include <stdio.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Assuming the stream STREAM is open for reading:
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Return the number of bytes waiting in the input buffer of STREAM.
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If this number is 0 and the stream is not currently writing,
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fflush (STREAM) is known to be a no-op.
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STREAM must not be wide-character oriented. */
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extern size_t freadahead (FILE *stream);
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#ifdef __cplusplus
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}
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#endif
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