--- BasiliskII/src/slirp/udp.h	2005/05/13 09:00:59	1.1
+++ BasiliskII/src/slirp/udp.h	2006/01/17 21:19:12	1.3
@@ -46,12 +46,20 @@ extern struct socket *udp_last_so;
  * Udp protocol header.
  * Per RFC 768, September, 1981.
  */
+#ifdef PRAGMA_PACK_SUPPORTED
+#pragma pack(1)
+#endif
+
 struct udphdr {
 	u_int16_t	uh_sport;		/* source port */
 	u_int16_t	uh_dport;		/* destination port */
 	int16_t	uh_ulen;		/* udp length */
 	u_int16_t	uh_sum;			/* udp checksum */
-};
+} PACKED__;
+
+#ifdef PRAGMA_PACK_SUPPORTED
+#pragma pack(0)
+#endif
 
 /*
  * UDP kernel structures and variables.
@@ -94,6 +102,7 @@ struct udpstat {
 
 extern struct udpstat udpstat;
 extern struct socket udb;
+struct mbuf;
 
 void udp_init _P((void));
 void udp_input _P((register struct mbuf *, int));