/*
 * call-seq:
 *    header_parsed?
 *
 * Has the mp3 header been parsed yet?
 */
static VALUE header_parsed_eh(VALUE self)
{
  mp3data_struct * mp3data;
  Data_Get_Struct(self, mp3data_struct, mp3data);

  if(mp3data->header_parsed == 1) return Qtrue;
  return Qfalse;
}