Are there libraries for interfacing the GPIO on the BBB in Lua, C, or Haskell? I’ve been unable to find any, but I would prefer to write my code in those languages as opposed to Javascript, Ruby, or Python.
Did you google "gpio library beaglebone black"?
libsoc
Regards,
https://www.google.com/search?q=beaglebone+black+gpio+in+C
73000 hits . . . you should be able to find something.