--- NDK3.2/SFD/dos_lib.sfd	2020-07-31 14:12:28.000000000 +0200
+++ NDK3.2/SFD/dos_lib.sfd	2021-08-10 22:15:47.930179054 +0200
@@ -1,5 +1,6 @@
 ==id $Id: dos_lib.sfd,v 36.31 1992-12-17 20:11:35 jesup Exp $
 * "dos.library"
+==basetype struct DosLibrary * 
 ==base _DOSBase
 ==bias 30
 ==public