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tuxede下面的编程

Files:
	orderclt.c: client src code from which the orderclt is created. The 
		client that reads the xml doc test.xml on disk, creates an XML
		buffer and calls ORDERSVC service with  it
	ordersvr.c: server src code from which shoeordersvr and shirtordersvr
		are created. Both servers offer the ORDERSVC service. The
		XML buffer is routed to one of these servers.
	xml.mk: make file for creating the clients and servers.
	ubb:	ubbconfig file for defining data-dependent routing entry for
		ORDERSVC
	setenv.sh: shell script for setting up environment vars

To run the sample:

1. . ./setenv.sh
2. make -ef xml.mk all
3. tmloadcf -y ubb
4. tmboot -y
5. orderclt test.xml
6. look in the ULOG for message from the appropriate server

Exercises left to the reader:

There is an error in this simple application. You will notice that the
shirt order in the form of the XML doc in test.xml is being routed to a
shoe order server.
Exercise #1: Modify the routing entry in the ubb is routed to the shirt
	order server.
Exercise #2: Modify the routing entry in the ubb so that the XML doc is 
	routed on element content of ITEM rather than on element attribute
	"ORDERNO" of HEADER element.