after depicting the design and accomplishment of file management and debugger in detail, the conceptions of the file control table ( fct ) and the source file library ( sfl ) are proposed 再次,詳細(xì)說明了文件管理和調(diào)試器的設(shè)計(jì)與實(shí)現(xiàn),提出了文件控制表(fct)和源文件庫(sfl)的概念。