c语言函数指针实现函数重载

Posted 2022-08-18 敲代码的Messi

void out_int(void *i)

    printf("%d\\n",*(int*)i);



void out_double(void *d)

    printf("%f\\n", *(double*)d);


void c_fun(void (*ptr)(void *), void* param)

    ptr(param);


int main() 
    int i = 1;
    double d = 2.22;
    c_fun(out_int, &i);
    c_fun(out_double, &d);
    return 0;