/
int main(){
//struct item linearList = {0, NULL};
//struct item linearList;
//linearList.id = 0;
//linearList.next = NULL;
//struct item aa = {1, NULL};
//struct item aa;
//aa.id = 1;
//aa.next = NULL;
item_t linearList;
linearList.id = 0;
item_t aa;
aa.id = 1;
add(&linearList, &aa);
return 0;
}
void add(struct item * ori, struct item * tar){
ori->next = tar;
}