Function CFStreamCreatePairWithSocketToHost 

pub unsafe extern "C-unwind" fn CFStreamCreatePairWithSocketToHost(
    alloc: Option<&CFAllocator>,
    host: Option<&CFString>,
    port: u32,
    read_stream: *mut *mut CFReadStream,
    write_stream: *mut *mut CFWriteStream,
)

👎Deprecated:

Use nw_connection_t in Network framework instead

Available on crate feature CFStream only.

Safety

• alloc might not allow None.
• host might not allow None.
• read_stream must be a valid pointer.
• write_stream must be a valid pointer.