#define LEN (sizeof(record))/*单个信息所占用的内存字存数*/ #define M 5 /*宏定义*/ record stu[M],temp[M];/*定义用于保存学生成绩的全局结构体数组及用于临时中间变量数组*/ record *p=stu;/*定义指向结构体数据的结构体指针*/
As CPU cores become both faster and more numerous, the limiting factor for most programs is now, and will be for some time, memory access. Hardware designers have come up with ever more sophisticated memory handling and acceleration techniques–such
