摘要：
方法的宏定义#define MAKEWORD(a, b) ((WORD)(((BYTE)(((DWORD_PTR)(a)) & 0xff)) | ((WORD)((BYTE)(((DWORD_PTR)(b)) & 0xff))) << 8)) unsigned long w=12345678911111; cout<<(w&0xff)<<endl;oxff=255=11111111,12345678911111=10110011101001110011110011100101011010000111所以输出结果是135(二进制:100 阅读全文
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