Function CFMessagePortSendRequest 

pub unsafe extern "C-unwind" fn CFMessagePortSendRequest(
    remote: &CFMessagePort,
    msgid: i32,
    data: Option<&CFData>,
    send_timeout: CFTimeInterval,
    rcv_timeout: CFTimeInterval,
    reply_mode: Option<&CFString>,
    return_data: *mut *const CFData,
) -> i32

👎Deprecated:

renamed to CFMessagePort::send_request

Available on crate features CFData and CFDate and CFMessagePort only.