银行对帐工具 对两个数据库中的表进行比较，找出遗漏的账目-Bank reconciliation of the two tools in the database table to find the missing accounts

利用C语言编制递归下降分析程序，并对简单语言进行语法分析，实现对词法分析程序所提供的单词序列的语法检查和结构分析。-The use of C language drop analysis of recursive procedures, and simple language syntax analysis, the realization of the lexical analysis procedure provided by the grammar checker word sequenc