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#include <stdio.h>
int main()
{
int a[5]={1,2,3,4,5};
int *ptr1=(int*)(&a+1);
int *ptr2=(int*)((int)a+1);
printf("%p,%x,%p\n",(int)a,*(ptr2+1),ptr1);//(int*)(&a));
printf("%d\n",(int*)(&a-16));
printf("%d,%x\n",ptr1[-1] ......