utput-port port))
    (abort (<a href="srfi-12.html#codefunc59570">make-composite-condition</a>
	    (<a href="srfi-12.html#codefunc26087">make-property-condition</a>
	     'HTTP-TRANSACTION 'REASON reason 'HEADERS headers)
	    exc)))

  ; Open a connection, send the request, and if successful,
  ; invoke the read-resp-status-line on the opened http-port.
  (define (make-req schema dummy host resource)
    (let* ((target-host (or http-proxy host))
	   (target-addr-lst (<a href="util.html#codefunc39259">str