BSD_OVHD          631 drivers/net/ppp/bsd_comp.c     olen  = PPP_HDRLEN + BSD_OVHD;
BSD_OVHD          741 drivers/net/ppp/bsd_comp.c     db->bytes_out    += olen - PPP_HDRLEN - BSD_OVHD;
BSD_OVHD         1114 drivers/net/ppp/bsd_comp.c     db->comp_bytes   += isize - BSD_OVHD - PPP_HDRLEN;