libbrlapi0.6 5.5-4ubuntu1 (s390x binary) in ubuntu bionic

 BRLTTY is a daemon which provides access to the console (text mode)
 for a blind person using a braille display. It drives the braille
 display and provides complete screen review functionality.
 .
 BrlAPI is a library which gives an application access to a braille display and
 lets it write braille.
 .
 This package contains the shared library necessary to run programs which
 need to communicate with a braille display.