C语言中通过调用函数来修改实参值
#include<stdio.h>int fun(int x){ x=9;}int main(void){ int t=1; fun(t); printf("t = %d\n",t);}结果为 t = 1。怎样通过调用函数来修改实参值呢?方法1:用返回值的办法#include<stdio.h>int fun(int x){ ...