The valid field indicates whether or not the corresponding status information is meaningful. Applying a macro to the valid field indicates whether or not the application of that same macro to the status field results in a valid device status. Exclusive access is necessary to ensure that other applications are not affected. The Series 800 does not support this ioctl. The Series 800 does not support this ioctl.
Required permission is denied for the the device or operation.
If resulting from an open call, this indicates there is no device at the specified address. For other calls, this indicates the specified address is out of range or the device can no longer be accessed. A floppy disk containing a mounted file system should not be removed prior to being unmounted. Removal of floppy disks containing mounted file systems is likely to result in file system errors, and system panics. Single track formatting may not be supported by some floppy devices.