摘要: 比如定义宏,#define FREE1(p) if (p) free (p)然后这样调用:if (expression)FREE1(p);elseprintf(“expression was false.\n”) ;展开:if (expression)if (p) free (p);elseprin... 阅读全文
posted @ 2014-08-19 09:16 ElNinoT 阅读(300) 评论(0) 推荐(0) 编辑