# include <stdio.h>//f函数可以输出任何一个一维数组的内容void f(int * pArr, int len){    int i;    for (i=0; i<len; ++i)        printf("%d  ", *(pArr+i) );  //*pArr *(pArr+1) *(pArr+2)     printf("\n");}int main(void){    int a[5] = {1,2,3,4,5};    int b[6] = {-1,-2,-3,4,5,-6};    int c[100] = {1, 99, 22, 33};    f(a, 5);  //a是 int *    f(b, 6);    f(c, 100);    return 0;}