编辑代码

#include <stdio.h>
int* fun(){
    int x = 10;
    int* p = &x;
    return p;
}

int fuck(){
    printf("FUCK U!!!\n");
}

int add(int x,int y){
    return x+y;
}
int sub(int x,int y){
    return x-y;
}
int f(int(*Pf)(int,int),int x,int y){
    printf("%d\n",Pf(x,y));
}
 fi(void(*tF)()){};
 hello(x,y){
    //printf("hello,world!!!!!!!!\n");
    return x*y;
}
void (*fu)();

int main () {
    //JSRUN引擎2.0，支持多达30种语言在线运行，全仿真在线交互输入输出。 
    //printf("Hello world!     - c.jsrun.net.");
    int *p = fun();
    //printf("%d",*p);
    printf("%d\n",*p);
    fu = fuck();
    f(add,1,2);
    f(sub,10,8);
    fi(hello(1,4));
    //hello();


    //return 0;
}