// /d/xiakedao/shiroom04.c 俠客島 石室4inherit ROOM;int do_study(string arg);void create(){        set("short", "石室");        set("long", @LONG此洞中仍是較為擁擠。有幾人腳踏北斗七星方位，或正或逆地行走；一名老者端坐于北極星位閉目打坐，頭頂隱隱透出絲絲白氣另有兩個黃衫女子并肩而立，在石壁(wall)上指指點點。LONG );        set("exits", ([                "east" : __DIR__"shihole1"        ]));        set("item_desc", ([                "wall" : @WALL墻的正上方刻著「颯沓如流星」幾個大字。字的下方刻有一張黃道星空圖，其中北斗七星大而明顯。旁有圖注：雖云“流星”，然動從靜中求，毋舍本逐末也。又一行小注：春雪似錦秋風颯。WALL        ]));        set("no_clean_up", 0);        set("no_fight", 1);        set("no_beg", 1);        setup();}void init(){        add_action("do_study","think");}#include "/d/xiakedao/shiroom.h"