Descriptions of all multicast tests.
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+mc_cmds
+	
+	To determine the stability of the IP Multicast product
+        and to verify the accuracy and usablility of IP Multicast
+        related publications associated with changes and/or
+        additions to command level interfaces for this implementations
+        of IP Multicast.
+
+mc_commo
+
+	 To verify that IP Multicast can be used to send UDP datagrams
+         between two or more nodes on the same subnetwork using
+         a specific IP Multicast group and a specific port address.
+
+mc_member
+
+	To verify that two of the new options for level IPPROTO_IP
+        Service Interface allow the list of host group memberships
+        to be updated properly in response to the JoinHostGroup and
+        LeaveHostGroup requests. To test boundary conditions while
+        exercising IP Multicast JoinHostGroup and LeaveHostGroup
+        Service Interfaces.
+
+mc_opts
+
+	To verify that three of the new options for level IPPROTO_IP
+        Service Interface are initially set to the default values as
+        defined in the documentation and that each of the new options
+        can be set and read properly by the setsockopt and getsockopt
+        routines, respectively.  To test boundary conditions and to
+        generate errors while exercising the IP Multicast Service
+        Interface options.
+