Defines starting with `d' in bsd/i386

• DEV_BSHIFT bsd/i386/param.h:56
• DEV_BSIZE bsd/i386/param.h:55
• DFLCSIZ bsd/i386/vmparam.h:64
• DFLDSIZ bsd/i386/vmparam.h:52
• DFLSSIZ bsd/i386/vmparam.h:58