Added mcast demo

.,

diff --git a/Demo/sockets/README b/Demo/sockets/README
index 0c681903451fe4c06222f68c4ccad43edc7d794a..11dc7cb7849f2058aa81592994cd7cf148def38e 100644 (file)
--- a/Demo/sockets/README
+++ b/Demo/sockets/README
@@ -8,3 +8,10 @@ telnet.py              Client for the 'telnet' protocol.
 throughput.py          Client and server to measure TCP throughput.
 udpecho.py             Client and server for the UDP echo protocol.
 radio.py               Receive time broadcasts from broadcast.py.
+
+The following two files are only relevant on SGI machines (or other
+systems that support multicast):
+
+mcast.py               A Python translation of
+                       /usr/people/4Dgifts/examples/network/mcast.c
+IN.py                  Needed by mcast.py -- translation of <netinet/in.h>