temp question

source is:

#include<stdlib.h>
#include<stdio.h>

int atexit(void (*function)());


void fun()
{
printf("fun");
}
int main(){
printf("try----/n");

int i=3;
printf("%d/n",i+++i+++i++);

double d=3.1415926;
i=d;
printf("d=%f,i=%d/n",d,i);

atexit(fun);


enum color{red=5,black=1,yellow,white,blue,pink,green}c,f,g;
f=red;
c=pink;
g=green;
printf("red=%d,  pink=%d green=%d/nnow at ending.../n/n/nluoxuan------------------/n",f,c,g);
return 0;
}




try----
9
d=3.141593,i=3
red=5,  pink=5 green=6
now at ending...


luoxuan------------------
fun[