4.3BSD/usr/lib/adb/dmcstats

_dmc_base+3/"NAKS Rcvd: nobufs"tb
_dmc_base+4/"NAKS Rcvd: header bcc"tb
_dmc_base+5/"NAKS Rcvd: data bcc"tb
_dmc_base+6/"NAKS Sent: nobufs"tb
_dmc_base+7/"NAKS Sent: header bcc"tb
_dmc_base+8/"NAKS Sent: data bcc"tb
_dmc_base+9/"REPS Sent"tb
_dmc_base+10/"REPS Rcvd"tb