hb_badaddr
if (hb_badaddr(NWB253_CTLREG, 2) || hb_badaddr(NWB253_CRTREG, 2))
if (hb_badaddr(LCDM_CTRL, 1))
if (hb_badaddr((void *)ha->ha_addr, 1)) /* XXX */
if (hb_badaddr((char *)ha->ha_addr, 1))