RS>  If I pass a pointer to struct to a function and that struct contains
 RS>  a member that is a void pointer and could be pointing to any data
 RS>  type, is there a way to have the function determine the type that
 RS>  the void pointer is pointing to?
Nope.  Keep a member of the struct which tells you.  Perhaps an enum.
 RS>  Pheeeew.... That was a mouthful :-)  I hope that's not too hard to
 RS>  follow.
Nope - done all the time.  :-)
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