# File lib/ruby-sdl-ffi/sdl/mac.rb, line 206
        def initialize( str_or_ptr )
          if str_or_ptr.is_a? String
            super( ObjC::NSClass("NSString").\
                     msg_ptr("stringWithUTF8String:",
                             FFI.find_type(:string), str_or_ptr) )
          else
            super
          end
        end