int query_carrying(object who, mixed thing){
if(objectp(thing)) thing = base_name(thing);
if(last(thing,2) == ".c") truncate(thing,2);
if(!file_exists(thing+".c")) return 0;
foreach(object ob in deep_inventory(who)){
if(base_name(ob) == thing) return 1;
}
return 0;
}
object *containers(object ob){
object *ret =({});
if(!ob) ob = previous_object();
while(environment(ob)){
ret += ({ environment(ob) });
ob = environment(ob);
}
return ret;
}