From what I can tell, it involves nothing more than replacing the calls to 'AF_INET' or 'PF_INET' inside of socket calls with 'AF_IPX' or 'PF_IPX'. I am unable to test that either way, but the 'Use Socket' call pulls its constants from the system's socket.h file, so look in there and check if the 2 IPX constants are defined (which they are for Linux and Solaris). I'm assuming here that this question is asked specifically concerning IPX, and not just networking in general. If I am incorrect in this assumption, let me know and I'll elaborate.