/* Functions to access FILE structure internals.   Copyright (C) 2000, 2001, 2003 Free Software Foundation, Inc.   This file is part of the GNU C Library.   The GNU C Library is free software; you can redistribute it and/or   modify it under the terms of the GNU Lesser General Public   License as published by the Free Software Foundation; either   version 2.1 of the License, or (at your option) any later version.   The GNU C Library 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   Lesser General Public License for more details.   You should have received a copy of the GNU Lesser General Public   License along with the GNU C Library; if not, write to the Free   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA   02111-1307 USA.  *//* This header contains the same definitions as the header of the same name   on Sun's Solaris OS.  */#ifndef _STDIO_EXT_H#define _STDIO_EXT_H	1#include <stdio.h>enum{  /* Query current state of the locking status.  */  FSETLOCKING_QUERY = 0,#define FSETLOCKING_QUERY	FSETLOCKING_QUERY  /* The library protects all uses of the stream functions, except for     uses of the *_unlocked functions, by calls equivalent to flockfile().  */  FSETLOCKING_INTERNAL,#define FSETLOCKING_INTERNAL	FSETLOCKING_INTERNAL  /* The user will take care of locking.  */  FSETLOCKING_BYCALLER#define FSETLOCKING_BYCALLER	FSETLOCKING_BYCALLER};__BEGIN_DECLS/* Return the size of the buffer of FP in bytes currently in use by   the given stream.  */extern size_t __fbufsize (FILE *__fp) __THROW;/* Return non-zero value iff the stream FP is opened readonly, or if the   last operation on the stream was a read operation.  */extern int __freading (FILE *__fp) __THROW;/* Return non-zero value iff the stream FP is opened write-only or   append-only, or if the last operation on the stream was a write   operation.  */extern int __fwriting (FILE *__fp) __THROW;/* Return non-zero value iff stream FP is not opened write-only or   append-only.  */extern int __freadable (FILE *__fp) __THROW;/* Return non-zero value iff stream FP is not opened read-only.  */extern int __fwritable (FILE *__fp) __THROW;/* Return non-zero value iff the stream FP is line-buffered.  */extern int __flbf (FILE *__fp) __THROW;/* Discard all pending buffered I/O on the stream FP.  */extern void __fpurge (FILE *__fp) __THROW;/* Return amount of output in bytes pending on a stream FP.  */extern size_t __fpending (FILE *__fp) __THROW;/* Flush all line-buffered files.  */extern void _flushlbf (void);/* Set locking status of stream FP to TYPE.  */extern int __fsetlocking (FILE *__fp, int __type) __THROW;__END_DECLS#endif	/* stdio_ext.h */