In addition to the fork multi-process model already suggested, you may want to consider using non-blocking sockets with something like POE or Event, both of which are frameworks for writing event-driven programs. 
   MeowChow                                   
               s aamecha.s a..a\u$&owag.print

In reply to (MeowChow) Re: Non-linear sub-routine launching by MeowChow
in thread Non-linear sub-routine launching by MadMax

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