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;
}