System.Net.Http.CurlResponseHeaderReader.HeaderBufferSpan.ReadInt C# (CSharp) Method

            public int ReadInt(ref int index)
            {
                int value = 0;
                for (; index < Length; index++)
                {
                    byte c = _pointer[index];
                    if (c < '0' || c > '9')
                    {
                        break;
                    }

                    value = (value * 10) + (c - '0');
                }

                return value;
            }