hprf file = open_profile (&file),                hprf file, int length = open_profile (&file), 
{                                                {
  file = {                                         file = {
           file_format : FF_BRACES,                         file_format : FF_BRACES,
           data_source : byte_array,                        data_source : byte_array,
           source_length : array_length,                    source_length : array_length,
           data_source_id : USER_SETTINGS                   data_source_id : USER_SETTINGS,
         }                                                  access_mode : OPEN_READ | OPEN_WRITE
};                                                        }
                                                 };
