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struct student {
int num;
int score;
int length;
};
struct student *pt;
pt = (struct student *) malloc(sizeof(struct student));
pt->num = 1;
pt->score = 90;
pt->length = 3 * sizeof(int);
printf("pt length:%d\n", *pt);
pt = (int *)pt + 1;
printf("pt length:%d\n", *pt);
pt = (int *)pt + 1;Ö®ºóptµÄÀàÐÍ»¹ÊÇstruct student£¬³¤¶È»¹ÊÇ12¡£
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