Name of the disk on which to check the number of available blocks. .IF VAX_VMS This name can be a device name, a logical name or a complete file specification. If a complete file specification is supplied, only the device name is used from it. .ELSEIF UNIX This name can be a device name, a logical name, or "~", or ".". .IFEND If the device name turns out to be a device other than a disk, CHKSPACE returns an error message and sets the VAR_NAME (if supplied) to 0.
Name of TCL variable to contain the number of available blocks.
This variable must previously have been declared in the following
manner:
LOCAL vname INT
Where vname is the name of the variable.