Macros in scsi

• b2tol scsi/cd.c:1316
• Debugger scsi/cd.c:50
• DSTY scsi/st.c:51
• MAKESDDEV scsi/sd.c:52
• MODE scsi/ch.c:36
• p2copy scsi/ch.c:550
• p4copy scsi/ch.c:551
• PARTITION scsi/cd.c:61
• UNIT scsi/cd.c:63
• WHOLE_DISK scsi/sd.c:61