Macros starting with `b' in bsd/netat/h

• BETWEEN bsd/netat/h/adsp_internal.h:41
• BRT_HASH bsd/netat/h/at_ddp_brt.h:64
• BRT_LOOK bsd/netat/h/at_ddp_brt.h:66
• BYTE_AT bsd/netat/h/adsp_portab.h:37