if !defined?(RUBY_ENGINE) || RUBY_ENGINE == "ruby"
  begin
    if RUBY_VERSION =~ /1.8/
      require '1.8/ffi_c'
    elsif RUBY_VERSION =~ /1.9/
      require '1.9/ffi_c'
    else
      require 'ffi_c'
    end
  rescue Exception
    require 'ffi_c'
  end

  require 'ffi/ffi'
end