--- b.h.orig	Wed Dec 21 13:04:46 1994
+++ b.h	Tue Dec  7 13:35:11 1999
@@ -61,4 +61,5 @@
  int internal;			/* Set for internal buffers */
  int er;			/* Error code when file was loaded */
+ int filehandle;		/* File handle for locking */
  };