Function libinput_device_get_sysname 

pub unsafe extern "C" fn libinput_device_get_sysname(
    device: *mut libinput_device,
) -> *const c_char

@ingroup device

Get the system name of the device.

To get the descriptive device name, use libinput_device_get_name().

@param device A previously obtained device @return System name of the device