(IP_MULTICAST_TTL, IP_MULTICAST_LOOP, IP_MULTICAST_IP, IP_ADD_MEMBERSHIP, IP_DROP_MEM...

diff --git a/inet/netinet/in.h b/inet/netinet/in.h
index 9efa5fc..fa4e016 100644 (file)
--- a/inet/netinet/in.h
+++ b/inet/netinet/in.h
@@ -166,6 +166,11 @@ struct sockaddr_in
 #define        IP_RECVRETOPTS  6       /* bool; Receive IP options for response.  */
 #define        IP_RECVDSTADDR  7       /* bool; Receive IP dst addr w/datagram.  */
 #define        IP_RETOPTS      8       /* ip_opts; Set/get IP per-packet options.  */
+#define IP_MULTICAST_TTL 9     /* int; TTL for multicast packets */
+#define IP_MULTICAST_LOOP 10   /* bool; Use loopback for multicast */
+#define IP_MULTICAST_IF 11     /* not used; intended to specify interface */
+#define IP_ADD_MEMBERSHIP 12   /* int; join multicast group */
+#define IP_DROP_MEMBERSHIP 13  /* int; leave multicast group */
 
 /* Structure used to describe IP options for IP_OPTIONS and IP_RETOPTS.
    The `ip_dst' field is used for the first-hop gateway when using a