added udp-ping program

git-svn-id: svn://anubis/misc/udp-ping@234 bd8a9e45-a331-0410-811e-c64571078777

Makefile

@@ -0,0 +1,11 @@
+
+all: client server
+
+client: client.c
+	gcc -o $@ $@.c -lpthread
+
+server: server.c
+	gcc -o $@ $@.c
+
+clean:
+	-rm -rf client server