using System;

using System.IO;

using System.Linq;

using System.Text;

public class Program

{

    public static void Main()

    {

        // Sample data

        var bufferText = "Hello world";

        var buffer = Encoding.ASCII.GetBytes(bufferText);

        var stream = new MemoryStream(buffer);

        // Lezer

        using (var reader = new BinaryReader(stream)) {

            var finalData = new sbyte[stream.Length];

            for (var i = 0; i < finalData.Length; i++) {

                finalData[i] = reader.ReadSByte();

            }

        }

    }

}