Function IOHIDCheckAccess 

pub extern "C-unwind" fn IOHIDCheckAccess(
    request_type: IOHIDRequestType,
) -> IOHIDAccessType

Available on crate feature hidsystem only.

Checks if the process has access to a specific IOHIDRequestType. A process may request access by calling the IOHIDRequestAccess function.

Parameter requestType: The request type defined in the IOHIDRequestType enumerator.

Returns: Returns an access type defined in the IOHIDAccessType enumerator.