libwww threads and clients

Hi 

   I am new to this library, but familiar with HTTP and web in general. Would appreciate if someone can answer some of the queries I have. 

I want to use this library in a multithreaded program to access multiple websites. Also, this program would act as multiple browser/robot to fetch/test a set of URLs periodically(which may or may not be going to the same web server)

The queries are 

A. Can libwww be used in a multithreaded program ? Which portions of the library are thread safe ? 

B. How does one go about simulating multiple http clients (browser like) in the same process where cookies, cache etc are kept separate each "client". 

Thanks

Jd



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