DirLookupSubdir
if ((file = DirLookupSubdir(dot, name)) != NULL)
(file = DirLookupSubdir(cur, name)) != NULL)
if ((file = DirLookupSubdir(dir, name)) != NULL)
if ((file = DirLookupSubdir(dot, name)) != NULL)
(file = DirLookupSubdir(cur, name)) != NULL)