+#define ROPT_TAINTED_SEEN 0x80000
+
+#define RE_USE_INTUIT_NOML 0x0100000 /* Best to intuit before matching */
+#define RE_USE_INTUIT_ML 0x0200000
+#define REINT_AUTORITATIVE_NOML 0x0400000 /* Can trust a positive answer */
+#define REINT_AUTORITATIVE_ML 0x0800000
+#define REINT_ONCE_NOML 0x1000000 /* Intuit can succed once only. */
+#define REINT_ONCE_ML 0x2000000
+#define RE_INTUIT_ONECHAR 0x4000000
+#define RE_INTUIT_TAIL 0x8000000
+
+#define RE_USE_INTUIT (RE_USE_INTUIT_NOML|RE_USE_INTUIT_ML)
+#define REINT_AUTORITATIVE (REINT_AUTORITATIVE_NOML|REINT_AUTORITATIVE_ML)
+#define REINT_ONCE (REINT_ONCE_NOML|REINT_ONCE_ML)