Here are the data structures with brief descriptions:

brlapi_authClientPacket_t
brlapi_authServerPacket_t
brlapi_connectionSettings_t	Settings structure for BrlAPI connection
brlapi_describedKeyCode_t
brlapi_error_t
brlapi_errorPacket_t
brlapi_expandedKeyCode_t
brlapi_getDriverSpecificModePacket_t
brlapi_header_t
brlapi_packet_t
brlapi_range_t
brlapi_versionPacket_t
brlapi_writeArguments_t
brlapi_writeArgumentsPacket_t
brlapi_writeStruct