BEGIN           {
	# set variable named server
	# to special networking filename
	server = "/inet/tcp/0/www.rfc-editor.org/80"

	# use coprocess to send GET request to remote server
	print "GET /rfc/rfc-retrieval.txt \
	HTTP/1.1\nHost:www.rfc-editor.org\n\n"	|& server

	# while loop uses coprocess to redirect
	# output from server to getline
	while (server |& getline)
		print $0
	}