Function AudioServicesCreateSystemSoundID 

pub unsafe extern "C-unwind" fn AudioServicesCreateSystemSoundID(
    in_file_url: &CFURL,
    out_system_sound_id: NonNull<SystemSoundID>,
) -> i32

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

Allows the application to designate an audio file for playback by the System Sound server.

Returned SystemSoundIDs are passed to AudioServicesPlayAlertSoundWithCompletion() and AudioServicesPlaySystemSoundWithCompletion() to be played.

The maximum supported duration for a system sound is 30 secs.

Parameter inFileURL: A CFURLRef for an AudioFile.

Parameter outSystemSoundID: Returns a SystemSoundID.

Safety

out_system_sound_id must be a valid pointer.