dot = DirReaddir(".", NULL);
dot = DirReaddiri(dotname, dotname+1);
Dir_Init(){    Lst_Init(&dirSearchPath);    ohash_init(&openDirectories, 4, &dir_info);    ohash_init(&mtimes, 4, &stamp_info);    dot = DirReaddir(".", NULL);    if (!dot)    	Error("Can't access current directory");    /* We always need to have dot around, so we increment its reference count     * to make sure it won't be destroyed.  */    dot->refCount++;}