Fix some things in the Uin interface for FreeBSD.  Most important is the
change to "struct_sockaddr_in".

Index: m3/m3core/src/unix/freebsd-2/Uin.i3
===================================================================
RCS file: /home/jdp/m3-cvs/m3/m3core/src/unix/freebsd-2/Uin.i3,v
retrieving revision 1.1.1.1
diff -u -r1.1.1.1 Uin.i3
--- Uin.i3	1996/09/24 05:22:00	1.1.1.1
+++ Uin.i3	1996/09/24 05:32:41
@@ -8,7 +8,7 @@
 
 INTERFACE Uin;
 
-FROM Ctypes IMPORT short, char;
+FROM Ctypes IMPORT char;
 FROM Utypes IMPORT u_char, u_short, u_long;
 IMPORT Word;
 
@@ -25,9 +25,12 @@
   IPPROTO_PUP = 12;		(* pup *)
   IPPROTO_UDP = 17;		(* user datagram protocol *)
   IPPROTO_IDP = 22;		(* xns idp *)
-  IPPROTO_HELLO = 63;		(* "hello" routing protocol *)
-  IPPROTO_ND = 77;		(* UNOFFICIAL net disk proto *)
+  IPPROTO_TP = 29;              (* tp-4 w/ class negotiation *)
+  IPPROTO_RSVP = 46;            (* resource reservation *)
+  IPPROTO_EON = 80;             (* ISO cnlp *)
+  IPPROTO_ENCAP = 98;           (* encapsulation header *)
 
+  IPPROTO_DIVERT = 254;         (* divert pseudo-protocol *)
   IPPROTO_RAW = 255;		(* raw IP packet *)
   IPPROTO_MAX = 256;
 
@@ -128,7 +131,8 @@
 (* Socket address, internet style. *)
 TYPE
   struct_sockaddr_in = RECORD
-    sin_family: short;
+    sin_len: u_char;
+    sin_family: u_char;
     sin_port: u_short;
     sin_addr: struct_in_addr;
     sin_zero: ARRAY [0..7] OF char;