Readline

# File lib/termtter/system_extensions/windows.rb, line 9
def readline(*a)
  str = old_readline(*a)
  out = ''
  loop do
    begin
      out << $iconv_sj_to_u8.iconv(str)
      break
    rescue Iconv::Failure
      out << "#{$!.success}?"
      str = $!.failed[1..-1]
    end
  end
  return out
end