+#ifdef TCPOUTFLAGS
+/*
+ * Flags used when sending segments in tcp_output.
+ * Basic flags (TH_RST,TH_ACK,TH_SYN,TH_FIN) are totally
+ * determined by state, with the proviso that TH_FIN is sent only
+ * if all data queued for output is included in the segment.
+ */
+u_char tcp_outflags[TCP_NSTATES] = {
+ TH_RST|TH_ACK, 0, TH_SYN, TH_SYN|TH_ACK,
+ TH_ACK, TH_ACK,
+ TH_FIN|TH_ACK, TH_FIN|TH_ACK, TH_FIN|TH_ACK, TH_ACK, TH_ACK,
+};
+#endif
+