This article is from the Mac Programming FAQ, by Jon Watte h+@austin.metrowerks.com with numerous contributions by others.
You can buy the MacTCP developers kit from APDA. It is also
available on E T O, and if you want saner headers than those, try ftp to
seeding.apple.com. MacTCP (the control panel) is included with System
7.5 and above.
 
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