pub unsafe extern "C-unwind" fn CFMessagePortCreateLocal(
allocator: Option<&CFAllocator>,
name: Option<&CFString>,
callout: CFMessagePortCallBack,
context: *mut CFMessagePortContext,
should_free_info: *mut u8,
) -> Option<CFRetained<CFMessagePort>>Available on crate features
CFBase and CFData and CFMessagePort only.