If no argument is given list all the input devices. If an argument is given,
show all the features of \fIdevice\fP.
If --long is provided, the output includes detailed information about the
capabilities of each devices. Otherwise, or if --short is provided, only the
device names and some minimal information is listed.
If no argument is given list all the input devices. If an argument is given,
show all the features of \fIdevice\fP.
If --long is provided, the output includes detailed information about the
capabilities of each devices. Otherwise, or if --short is provided, only the
device names and some minimal information is listed.