--- a/epoc32/include/libc/netinet/tcp_fsm.h	Tue Nov 24 13:55:44 2009 +0000
+++ b/epoc32/include/libc/netinet/tcp_fsm.h	Tue Mar 16 16:12:26 2010 +0000
@@ -1,1 +1,84 @@
-tcp_fsm.h
+/* TCP_FSM.H
+ * 
+ * Portions copyright (c) 1997-1999 Symbian Ltd.  All rights reserved.
+ */
+
+/*
+ * Copyright (c) 1982, 1986 Regents of the University of California.
+ * All rights reserved.  The Berkeley software License Agreement
+ * specifies the terms and conditions for redistribution.
+ */
+
+/** @file
+@publishedAll
+@released
+*/
+
+/*
+ * TCP FSM state definitions.
+ * Per RFC793, September, 1981.
+ */
+
+#ifndef	_NETINET_TCP_FSM_H
+#define	_NETINET_TCP_FSM_H
+
+#ifdef	__cplusplus
+extern "C" {
+#endif
+
+#define	TCP_NSTATES	11
+
+#define	TCPS_CLOSED		0	/* closed */
+#define	TCPS_LISTEN		1	/* listening for connection */
+#define	TCPS_SYN_SENT		2	/* active, have sent syn */
+#define	TCPS_SYN_RECEIVED	3	/* have send and received syn */
+/** 
+states < TCPS_ESTABLISHED are those where connections not established 
+*/
+#define	TCPS_ESTABLISHED	4	/* established */
+#define	TCPS_CLOSE_WAIT		5	/* rcvd fin, waiting for close */
+
+/** 
+states > TCPS_CLOSE_WAIT are those where user has closed 
+*/
+#define	TCPS_FIN_WAIT_1		6	/* have closed, sent fin */
+#define	TCPS_CLOSING		7	/* closed xchd FIN; await FIN ACK */
+#define	TCPS_LAST_ACK		8	/* had fin and close; await FIN ACK */
+
+/** 
+states > TCPS_CLOSE_WAIT && < TCPS_FIN_WAIT_2 await ACK of FIN 
+*/
+#define	TCPS_FIN_WAIT_2		9	/* have closed, fin is acked */
+#define	TCPS_TIME_WAIT		10	/* in 2*msl quiet wait after close */
+
+#define	TCPS_HAVERCVDSYN(s)	((s) >= TCPS_SYN_RECEIVED)
+#define	TCPS_HAVERCVDFIN(s)	((s) >= TCPS_TIME_WAIT)
+
+#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.
+*/
+const 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
+
+#ifdef	TCPSTATES
+
+const char *tcpstates[] = {
+	"CLOSED",	"LISTEN",	"SYN_SENT",	"SYN_RCVD",
+	"ESTABLISHED",	"CLOSE_WAIT",	"FIN_WAIT_1",	"CLOSING",
+	"LAST_ACK",	"FIN_WAIT_2",	"TIME_WAIT",
+};
+#endif
+
+#ifdef	__cplusplus
+}
+#endif
+
+#endif	/* _NETINET_TCP_FSM_H */