作业5 指针应用

#include<stdio.h>
int main(void)
{
    void sum_diff(float op1,float op2,float *psum,float *pdiff);
    float psum,pdiff;
    float op1,op2;
    //用float,用%f；
    printf("输入op1,op2：");
    scanf("%f%f",&op1,&op2);
    //调用函数；
    sum_diff(op1,op2,&psum,&pdiff);
    printf("*psum=%f,*pdiff=%f",psum,pdiff);
    return 0;
}
void sum_diff(float op1,float op2,float *psum,float *pdiff)
{
    *psum=op1+op2;
    *pdiff=op1-op2;
}