vuid_first
fep->id = vuid_id_addr(vuid_first(VUID_WHEEL)) |
fep->id = vuid_id_addr(vuid_first(VUID_WHEEL)) |
((id >= vuid_first(devid)) && (id <= vuid_last(devid)))
#define VKEY_FIRST vuid_first(WORKSTATION_DEVID)