--- a/usr/src/cmd/truss/print.c	Tue Sep 04 05:49:01 2007 -0700
+++ b/usr/src/cmd/truss/print.c	Tue Sep 04 06:48:33 2007 -0700
@@ -1897,6 +1897,7 @@
 	case UDP_ANONPRIVBIND:		return ("UDP_ANONPRIVBIND");
 	case UDP_EXCLBIND:		return ("UDP_EXCLBIND");
 	case UDP_RCVHDR:		return ("UDP_RCVHDR");
+	case UDP_NAT_T_ENDPOINT:	return ("UDP_NAT_T_ENDPOINT");
 
 	default:			(void) snprintf(pri->code_buf,
 					    sizeof (pri->code_buf), "0x%lx",