$DVSDEF - vms_dvsdef There are no constants or bitmasks in '$DVSDEF', so this
is not made available as a module that can be imported. The
vms_sys.device_scan() routine accesses
the item codes of the form 'DVS$_name' directly. They also can be accessed with
functions in the 'pyvms' module.
$PQLDEF
There are no constants or bitmasks in '$PQLDEF', so this
is not made available as a module that can be imported. The
vms_sys.creprc () function accesses
the item codes of the form 'PQL$_name' directly. They also can be accessed with
functions in the 'pyvms' module.