void
clearerr(
FILE *stream
)
int
feof(
FILE *stream
)
int
ferror(
FILE *stream
)
int
fileno(
FILE *stream
)
)
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.
),
feof(
),
and
ferror(
)
conform to
ANSI X3.159-1989 (``ANSI C89'') .
The function
fileno(
)
conforms to
ISO/IEC 9945-1:1990 (``POSIX.1'') .