BCNet.Utils.WriteVarInt C# (CSharp) Method

        public static void WriteVarInt(BinaryWriter bw, ulong val)
        {
            if (val < 0xFD)
                bw.Write((byte)val);
            else if (val <= 0xFFFF)
            {
                bw.Write((byte)0xFD);
                bw.Write((ushort)val);
            }
            else if (val <= 0xFFFFFFFF)
            {
                bw.Write((byte)0xFE);
                bw.Write((uint)val);
            }
            else
            {
                bw.Write((byte)0xFF);
                bw.Write(val);
            }
        }