+#ifdef COMPAT_42
+/*
+ * Old drive description table.
+ * still used by some drivers for now.
+ */
+struct st {
+ short nsect; /* # sectors/track */
+ short ntrak; /* # tracks/surfaces/heads */
+ short nspc; /* # sectors/cylinder */
+ short ncyl; /* # cylinders */
+ short *off; /* partition offset table (cylinders) */
+};
+#endif
+