c语言计算器

#include<stdio.h>

double calcutotor(double a,double b,char myoperator)
{
    if(myoperator=='+')
    {
        return a+b;
    }
    else if(myoperator=='-')
    {
        return a-b;
    }
    else if(myoperator=='*')
    {
        return a*b;
    }
    else if(myoperator=='/')
    {
        if(b==0)
        {
            printf("除数不能为零！！\n");
            return 0;
        }
        else
        {
            return a/b;
        }
    }
    else
    {
        printf("亲，不能这样操作\n");
        return 0;

    }
}
int main()
{
    double a,b;
    char myoperator;
    scanf("%lf%c%lf",&a,&myoperator,&b);
    printf("%lf\n" ,calcutotor(a,b,myoperator));
    return 0;

}