TL;DR: TCP/IP shipped. (Edit: first. Some OSI stuff did ship, as another poster pointed out, but much later and by then it didn't matter.) And here's how it sh

TL;DR: TCP/IP shipped. (Edit: first. Some OSI stuff did ship, as another poster pointed out, but much later and by then it didn't matter.) And here's how it shipped: (tcp_input.c) /* * TCP input routine, follows pages 65-76 of the * protocol specification dated September, 1981 very closely. */ tcp_input(m0) struct mbuf *m0; { .... 979 lines ... } Thank you Mr. Joy!