islink() returns false, but there is no constant false!  Return 0 instead.
diff --git a/Lib/dospath.py b/Lib/dospath.py
index 73e6377..e003db1 100644
--- a/Lib/dospath.py
+++ b/Lib/dospath.py
@@ -134,7 +134,7 @@
 # This will always return false on systems where posix.lstat doesn't exist.
 
 def islink(path):
-	return false
+	return 0
 
 
 # Does a path exist?