Returns the number of bytes remaining for the specified IO operation.
int INKVIONTodoGet (INKVIO
viop
)
Gets the number of bytes left to do on the IO operation
described by
.viop
Number of bytes left to do = (total # bytes
to perform on the IO operation) - (# of bytes that have been
done on the operation)
INKVIONTodoGet
is a convenience
function.
The number of bytes left that are associated with the specified IO operation.
INK_ERROR
if an error occurs.
INKVIONTodoGet (viop) == INKVIONBytesGet (viop) - INKVIONDoneGet (viop);