Function IOHIDUserDeviceRegisterGetReportBlock 

pub unsafe extern "C-unwind" fn IOHIDUserDeviceRegisterGetReportBlock(
    device: &IOHIDUserDevice,
    block: IOHIDUserDeviceGetReportBlock,
)

👎Deprecated: renamed to IOHIDUserDevice::register_get_report_block

Available on crate features block2 and hid and hidsystem only.