static byte[] ica010(long l1, long l2)
        {
            // создаем объект BinaryFormatter
            BinaryFormatter formatter = new BinaryFormatter();
            byte[] bytePasat;

            using (FileStream fileStream = new FileStream(GLBnam, FileMode.Open))
            {
                fileStream.Seek(l1, SeekOrigin.Begin);
                bytePasat = new byte[l2];
                for (int i = 0; i < l2; i++)
                {
                    bytePasat[i] = (byte) fileStream.ReadByte();
                }
            }
            return bytePasat;
        }

        static void ByteArrayToNewPasat0(byte[] bytes)
        {
            GCHandle handle = GCHandle.Alloc(bytes, GCHandleType.Pinned);
            pasat = (Pasat0)Marshal.PtrToStructure(handle.AddrOfPinnedObject(), typeof(Pasat0));
            handle.Free();
        }

        static Pasat0 ByteArrayToStructure<Pasat0>(byte[] bytes) where Pasat0 : struct
        {
            GCHandle handle = GCHandle.Alloc(bytes, GCHandleType.Pinned);
            Pasat0 pasat = (Pasat0)Marshal.PtrToStructure(handle.AddrOfPinnedObject(), typeof(Pasat0));
            handle.Free();
            return pasat;
        }

        static void Main(string[] args)
        {
            string put = "Z:\\L_TN\\ALM\\";

            acatconfig_read(put);       // считывание файла acat.cnf
            Console.WriteLine(GLBnam);

            file_name(0, 0);
            Console.WriteLine(GLBnam);

            byte[] bytePasat = ica010((long) 0, (long)Marshal.SizeOf(pasat));
            Pasat0 pasatTest = ByteArrayToStructure<Pasat0>(bytePasat);

            Console.WriteLine("babac");
            Console.ReadKey();
        }

public char[] shu;