DO_REALM_CONVERSION
if (p->flags & DO_REALM_CONVERSION) {
if ((p->flags & DO_REALM_CONVERSION) && !strchr(instance, '.')) {
#define RC(V5NAME,V4NAME) { V5NAME, V4NAME, DO_REALM_CONVERSION, sizeof(V5NAME)-1 }
#define R(NAME) { NAME, NAME, DO_REALM_CONVERSION, sizeof(NAME)-1 }