--- readsector0.h.orig	2006-11-19 18:30:32.000000000 -0600
+++ readsector0.h	2006-11-20 23:50:11.000000000 -0600
@@ -1,8 +1,11 @@
 #ifndef _READSECTOR0_H
 #define _READSECTOR0_H
 
+#define SENSE_BUFF_LEN 32
+
 int readsector0 (struct checker *);
 int readsector0_init (struct checker *);
 void readsector0_free (struct checker *);
+int sg_read (int, unsigned char *, unsigned char *); 
 
 #endif /* _READSECTOR0_H */