* @lc: context * @device: device name, absolute device path or NULL to reset the current setting * * Sets device, absolute paths (e.g. "/dev/loop ") are unchanged, device * names ("loop ") are converted to the path (/dev/loop or to * /dev/loop/ ) * * This sets the device name, but does not check if the device exists! * * Returns: <0 on error, 0 on success */
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