libbrlapi-dev - 6.3+dfsg-1+deb11u1 main

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 static library libbrlapi.a and header files
in /usr/include/brltty/ necessary to compile programs for BrlAPI, a
client-server based mechanism to remotely access a braille display.