The Delete Virtual Memory Zone routine deletes a zone from the
    32-bit virtual address space and returns all pages on VAX systems
    or pagelets on Alpha and I64 systems owned by the zone to the
    processwide 32-bit page pool.

    Format

      LIB$DELETE_VM_ZONE  zone-id

1 - Returns

    OpenVMS usage:cond_value
    type:         longword (unsigned)
    access:       write only
    mechanism:    by value

2 - Argument

 zone-id

    OpenVMS usage:identifier
    type:         longword (unsigned)
    access:       read only
    mechanism:    by reference

    Zone identifier. The zone-id is the address of a longword that
    contains the identifier of a zone created by a previous call to
    LIB$CREATE_VM_ZONE or LIB$CREATE_USER_VM_ZONE.