C#

/// Gets the next line of text from the NTTP server.  Reads from the
/// buffered stream one byte at a time, until the characters \r \n
/// have been encountered.  Returns the text string, without the
/// line terminators.
private string ReadLine()
{
  StringBuilder sb = new StringBuilder();
  byte b;
  <BR>

  // Read bytes until the \r is encountered, adding it to the string.
  p0:
    b = (byte)bufStream_.ReadByte();
    if (b != '\r')
    {
      sb.Append((char)b);
      goto p0;
    }
  <BR>

  // At this point, the \r has been seen, so we're looking for the
  // \n.  If a second \r is encountered, loop back and look for \n
  // again.  If any other character is found, add it to the string
  // and start over.
  p1:
    b = (byte)bufStream_.ReadByte();
    if (b != '\n')
    {
      sb.Append((char)'\r');
      if (b == '\r')
      {
        goto p1;
      }
      else
      {
        sb.Append((char)b);
        goto p0;
      }
    }
  <BR>

  return sb.ToString();
}