var bis = Cc["@mozilla.org/binaryinputstream;1"] .createInstance(Ci.nsIBinaryInputStream); bis.setInputStream(stream); return bis; 
return new BinaryInputStream(stream); 
function makeBIS(stream){  var bis = Cc["@mozilla.org/binaryinputstream;1"]              .createInstance(Ci.nsIBinaryInputStream);  bis.setInputStream(stream);  return bis;}
5459	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/5459/2b27fe648e2bcfc8a9287920102eb35070e9fb5d/head_utils.js/buggy/netwerk/test/httpserver/test/head_utils.js