+/* Flags for string_vformat */
+#define SVFMT_EXTEND BIT(0)
+#define SVFMT_REBUFFER BIT(1)
+#define SVFMT_TAINT_NOCHK BIT(2)
+
+
+#define NOTIFIER_SOCKET_NAME "exim_daemon_notify"
+/* Notify message types */
+#define NOTIFY_MSG_QRUN 1
+#define NOTIFY_QUEUE_SIZE_REQ 2
+#define NOTIFY_REGEX 3
+
+/* Flags for match_check_string() */
+typedef unsigned mcs_flags;
+#define MCS_NOFLAGS 0
+#define MCS_PARTIAL BIT(0) /* permit partial- search types */
+#define MCS_CASELESS BIT(1) /* caseless matching where possible */
+#define MCS_AT_SPECIAL BIT(2) /* recognize @, @[], etc. */
+#define MCS_CACHEABLE BIT(3) /* no dynamic expansions used for pattern */
+