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<TITLE>ferror</TITLE>
<body bgcolor="#ffffcc">
<hr>
<pre>
<h3>FERROR(3) Linux Programmer's Manual FERROR(3)
</h3>
<h3>NAME
</h3> clearerr, feof, ferror, fileno - check and reset stream
status
<h3>SYNOPSIS
</h3> #include <stdio.h>
void clearerr( FILE *stream);
int feof( FILE *stream);
int ferror( FILE *stream);
int fileno( FILE *stream);
<h3>DESCRIPTION
</h3> The function clearerr clears the end-of-file and error
indicators for the stream pointed to by stream.
The function feof tests the end-of-file indicator for the
stream pointed to by stream, returning non-zero if it is
set. The end-of-file indicator can only be cleared by the
function clearerr.
The function ferror tests the error indicator for the
stream pointed to by stream, returning non-zero if it is
set. The error indicator can only be reset by the clear-
err function.
The function fileno examines the argument stream and
returns its integer descriptor.
<h3>ERRORS
</h3> These functions should not fail and do not set the exter-
nal variable errno.
</pre>
<hr>
<h3>SEE ALSO
</h3><p>
<a href=open.htm>open</a>,
<a href=stdio.htm>stdio</a>,
<pre>
<h3>STANDARDS
</h3> The functions clearerr, feof, and ferror conform to
C3.159-1989 (``ANSI C'').
<h3>BSD MANPAGE 29 November 1993 1
</h3>
</pre>
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