Function CFSocketCreateRunLoopSource 

pub extern "C-unwind" fn CFSocketCreateRunLoopSource(
    allocator: Option<&CFAllocator>,
    s: Option<&CFSocket>,
    order: CFIndex,
) -> Option<CFRetained<CFRunLoopSource>>

👎Deprecated: renamed to CFSocket::new_run_loop_source

Available on crate features CFRunLoop and CFSocket only.