"Erik E. Fair" <fair-tuhs(a)netbsd.org> wrote:
https://en.wikipedia.org/wiki/STREAMS
dmr was trying to replace the abomination that the tty drivers had become (and
I still wish we'd adopted his APIs and work for that purpose to this day),
I am not aware of any streams based tty driver implementation that predates
SunOS-4.0.
Jörg
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