Type Alias IOBluetoothUserNotificationCallback 

pub type IOBluetoothUserNotificationCallback = Option<unsafe extern "C-unwind" fn(*mut c_void, *mut IOBluetoothUserNotificationRef, *mut IOBluetoothObjectRef)>;

Available on crate feature IOBluetoothUserLib only.

Callback function definition for user notifications.

This callback will be invoked when the notification for which it was registered is sent.

Parameter userRefCon: (void *) This user defined parameter was provided during the original call to register the notification.

Parameter inRef: (IOBluetoothUserNotificationRef) The notification responsible for sending the notification.

Parameter objectRef: (IOBluetoothObjectRef) The object that originated the notification.

See also Apple’s documentation

Aliased Type

pub enum IOBluetoothUserNotificationCallback {
    None,
    Some(unsafe extern "C-unwind" fn(*mut c_void, *mut IOBluetoothUserNotificationRef, *mut IOBluetoothObjectRef)),
}

Variants

None

No value.

Some(unsafe extern "C-unwind" fn(*mut c_void, *mut IOBluetoothUserNotificationRef, *mut IOBluetoothObjectRef))

Some value of type T.