CONF_LCSPX
((vax_confdata & (CONF_LCSPX | CONF_SPXg)) == 0))
switch (vax_confdata & (CONF_LCSPX | CONF_SPXg)) {
case CONF_LCSPX:
case CONF_LCSPX | CONF_SPXg:
((vax_confdata & (CONF_LCSPX | CONF_SPXg)) == 0))