+++ /dev/null
-.\" Copyright (c) 1990, 1991 The Regents of the University of California.
-.\" All rights reserved.
-.\"
-.\" This code is derived from software contributed to Berkeley by
-.\" Chris Torek and the American National Standards Committee X3,
-.\" on Information Processing Systems.
-.\"
-.\" %%%LICENSE_START(BSD_4_CLAUSE_UCB)
-.\" Redistribution and use in source and binary forms, with or without
-.\" modification, are permitted provided that the following conditions
-.\" are met:
-.\" 1. Redistributions of source code must retain the above copyright
-.\" notice, this list of conditions and the following disclaimer.
-.\" 2. Redistributions in binary form must reproduce the above copyright
-.\" notice, this list of conditions and the following disclaimer in the
-.\" documentation and/or other materials provided with the distribution.
-.\" 3. All advertising materials mentioning features or use of this software
-.\" must display the following acknowledgement:
-.\" This product includes software developed by the University of
-.\" California, Berkeley and its contributors.
-.\" 4. Neither the name of the University nor the names of its contributors
-.\" may be used to endorse or promote products derived from this software
-.\" without specific prior written permission.
-.\"
-.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
-.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
-.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
-.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
-.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
-.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
-.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
-.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
-.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
-.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
-.\" SUCH DAMAGE.
-.\" %%%LICENSE_END
-.\"
-.\" @(#)ferror.3 6.8 (Berkeley) 6/29/91
-.\"
-.\"
-.\" Converted for Linux, Mon Nov 29 14:24:40 1993, faith@cs.unc.edu
-.\" Added remark on EBADF for fileno, aeb, 2001-03-22
-.\"
-.TH FERROR 3 2014-01-15 "" "Linux Programmer's Manual"
-.SH NAME
-clearerr, feof, ferror, fileno \- check and reset stream status
-.SH SYNOPSIS
-.B #include <stdio.h>
-.sp
-.BI "void clearerr(FILE *" stream );
-
-.BI "int feof(FILE *" stream );
-
-.BI "int ferror(FILE *" stream );
-
-.BI "int fileno(FILE *" stream );
-.sp
-.in -4n
-Feature Test Macro Requirements for glibc (see
-.BR feature_test_macros (7)):
-.in
-.sp
-.BR fileno ():
-_POSIX_C_SOURCE\ >=\ 1 || _XOPEN_SOURCE || _POSIX_SOURCE
-.SH DESCRIPTION
-The function
-.BR clearerr ()
-clears the end-of-file and error indicators for the stream pointed to by
-.IR stream .
-.PP
-The function
-.BR feof ()
-tests the end-of-file indicator for the stream pointed to by
-.IR stream ,
-returning nonzero if it is set.
-The end-of-file indicator can be cleared only by the function
-.BR clearerr ().
-.PP
-The function
-.BR ferror ()
-tests the error indicator for the stream pointed to by
-.IR stream ,
-returning nonzero if it is set.
-The error indicator can be reset only by the
-.BR clearerr ()
-function.
-.PP
-The function
-.BR fileno ()
-examines the argument
-.I stream
-and returns its integer descriptor.
-.PP
-For nonlocking counterparts, see
-.BR unlocked_stdio (3).
-.SH ERRORS
-These functions should not fail and do not set the external variable
-.IR errno .
-(However, in case
-.BR fileno ()
-detects that its argument is not a valid stream, it must
-return \-1 and set
-.I errno
-to
-.BR EBADF .)
-.SH ATTRIBUTES
-.SS Multithreading (see pthreads(7))
-The
-.BR clearerr (),
-.BR feof (),
-.BR ferror (),
-and
-.BR fileno ()
-functions are thread-safe.
-.SH CONFORMING TO
-The functions
-.BR clearerr (),
-.BR feof (),
-and
-.BR ferror ()
-conform to C89, C99, POSIX.1-2001, and POSIX.1-2008.
-
-The function
-.BR fileno ()
-conforms to POSIX.1-2001 and POSIX.1-2008.
-.SH SEE ALSO
-.BR open (2),
-.BR fdopen (3),
-.BR stdio (3),
-.BR unlocked_stdio (3)
-.SH COLOPHON
-This page is part of release 3.79 of the Linux
-.I man-pages
-project.
-A description of the project,
-information about reporting bugs,
-and the latest version of this page,
-can be found at
-\%http://www.kernel.org/doc/man\-pages/.
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