pub fn register_interface<R: ScopedRawMutex>(
stack: &'static NetStack<R, StdTcpClientIm>,
socket: TcpStream,
) -> Result<StdTcpRecvHdl<R>, ClientError>pub fn register_interface<R: ScopedRawMutex>(
stack: &'static NetStack<R, StdTcpClientIm>,
socket: TcpStream,
) -> Result<StdTcpRecvHdl<R>, ClientError>