canlib32.lib and canlib32.dll

[faint0431]

in 440 demo, we find the canlib32.lib and canlib32.dll
they seem very important, however, we usually use USB to connect, so they seem not used?
is it right?
what are this lib used for?

[Craig]

These files are used to access the Kvaser USB to CAN hardware. They are not written by Segway but are provided by the Kvaser hardware manufacturer.