在线笔记
全部博文(596)
发布时间:2013-02-20 17:07:00
1)先看代码#define NONE#define ZERO 0#define ONE 1#define TWO 2void marcon_test(){#ifdef NONE printf("none\n");#endif#ifdef ZERO printf("zero\n");#endif#if ZERO printf("zero\n");#elif TWO printf("two\n");#elif ONE printf("one\n"); .........【阅读全文】