摘要：program à external_declaration | program external_declaration -> | external_declaration à function_definition | declaration -> | function_definiti... 阅读全文

摘要：#include //包含库所用的某些宏和变量#include //包含库#include //包含字符串处理库#define _KEY_WORD_END "waiting for your expanding" //定义关键字结束标志typedef struct{ int typenum; cha... 阅读全文