//cave1.c 洞口inherit ROOM;void create(){          set("short","洞口");          set("long",@LONG越過鱷魚潭，見到一個(gè)洞口（dong），里面漆黑一片，鼻中只隱約聞到一股刺鼻的氣味。洞口極窄，看樣子只得屈膝爬行了。LONG);           set("item_desc",([             "dong":"這洞里黑漆漆的一片，什么都看不到。\n",           ]));                             setup();}void init(){          add_action("do_enter","zuan");          add_action("do_enter","enter");}          int do_enter(string arg){       object me = this_player();       if(! arg || arg !="dong") return 0;       if (me->is_busy() || me->is_fighting())            return notify_fail("你正忙著哪！\n");       if (arg == "dong") {               message("vision", me->name() + "一個(gè)溜身，鉆進(jìn)了山洞。\n", environment(me), ({me}));               write("你急急忙忙的鉆進(jìn)了洞里，頭撞上了山石，直痛你得哇哇大叫。\n");               me->move(__DIR__"cave2");               message("vision", me->name() + "鉆了進(jìn)來，頭部撞到了山石上。\n", environment(me), ({me}));               return 1;       }       return notify_fail("你往哪里鉆啊？\n");       }