Function MusicSequenceSaveSMFData 

pub unsafe extern "C-unwind" fn MusicSequenceSaveSMFData(
    in_sequence: MusicSequence,
    out_data: NonNull<*const CFData>,
    in_resolution: u16,
) -> i32

👎Deprecated: no longer supported

Available on crate features MusicPlayer and objc2-core-foundation only.

Safety

• in_sequence must be a valid pointer.
• out_data must be a valid pointer.