Inspired by [Evan Martin][0], I wanted to try writing a Unix terminal emulator.
And here it is! (WIP.)

[0]: http://neugierig.org/software/blog/2016/07/terminal-emulators.html

Credits
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I lifted the pseudoterminal setup code from Kerrisk's "The Linux Programming
Environment" (listings 64-1 and 64-2).