[閒聊] ptrFun

[PanJC ((#‵Д′)f〒﹌﹌﹌﹌﹌ꄩ]

#include <stdio.h>


void fun1(double x, double y){
        printf(" x = %lf\n", x);
}
void fun2(double x, double y){
        printf(" y = %lf\n", y);

}

double popo(void (*f)(double, double),double a, double b){
        f(a,b);
}

int main(){
        // use function 1
        popo(fun1,3.0, 4.0);

        // use function 2
        popo(fun2,3.0, 4.0);
}

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