objc2_core_foundation

Function CFWriteStreamSetClient

Source 
pub unsafe extern "C-unwind" fn CFWriteStreamSetClient(
    stream: &CFWriteStream,
    stream_events: CFOptionFlags,
    client_cb: CFWriteStreamClientCallBack,
    client_context: *mut CFStreamClientContext,
) -> bool
Available on crate features CFBase and CFStream only.