Man pages matching name brlapi_expandedkeycode_t in section 3:

brlapi_expandedKeyCode_t.3.en	debian 10 / libbrlapi-dev
brlapi_expandedKeyCode_t.3.en	debian 11 / libbrlapi-dev
brlapi_expandedKeyCode_t.3.en	debian 12 / libbrlapi-dev