Function DADiskUnmount 

pub unsafe extern "C-unwind" fn DADiskUnmount(
    disk: &DADisk,
    options: DADiskUnmountOptions,
    callback: DADiskUnmountCallback,
    context: *mut c_void,
)

👎Deprecated: renamed to DADisk::unmount

Available on crate features DADisk and DADissenter only.