FERROR
Section: Linux Programmer's Manual (3)
Updated: 29 November 1993
Index
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NAME
clearerr, feof, ferror, fileno - check and reset stream status
SYNOPSIS
#include <stdio.h>
void clearerr( FILE *stream);
int feof( FILE *stream);
int ferror( FILE *stream);
int fileno( FILE *stream);
DESCRIPTION
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
clearerr
function.
The function
fileno
examines the argument
stream
and returns its integer descriptor.
ERRORS
These functions should not fail and do not set the external variable
errno.
SEE ALSO
open(2), stdio(3)
STANDARDS
The functions
clearerr,
feof,
and
ferror
conform to C3.159-1989 (``ANSI C'').
Index
- NAME
-
- SYNOPSIS
-
- DESCRIPTION
-
- ERRORS
-
- SEE ALSO
-
- STANDARDS
-
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