指针遍历数组

#include<stdio.h>

int main()
{
    int arr[]={1,5,6,3,85,62,20,98};
    int len=sizeof(arr)/sizeof(arr[2]);
    int i,*p=arr;
    /*for (i=0;i<len;i ++) {
        printf("%d ",*(arr+i));
    }*/
    printf("%p %X\n",&arr,p);
    for (i=0;i<len;i++){
        printf("%d ",*p++);//借助自增运算符来遍历数组元素
        printf("%X\n",p);
    }
    /*printf("%p %X \n",&arr,p);*/
    
    char b[]="hello";
    printf("%s\n",b);
    len=sizeof(b)/sizeof(b[6]);
    for (int n=0;n<len;n++) {
        printf("%c ",b[n]);
        printf("%c\n",*(b+n));
    }
    return 0;
 }