指针练习

#include<stdio.h>
#define size 5
int main()
{
 int a[size]={0,1,2,3,4};
 int *aptr=a;
 int i,offset;
 printf("access array through array and subscript:\n");
 for(i=0;i<size;i++)
  printf("a[%d]=%d\n",i,a[i]);
 printf("\naccess array through pointer and subscript:\n");
 for(i=0;i<size;i++)
  printf("aptr[%d]=%d\n",i,aptr[i]);
 printf("\naccess array though array and offset:\n");
 for(offset=0;offset<size;offset++)
  printf("*(a+%d)=%d\n",offset,*(a+offset));
 return 0;
}