VMS Help RTL Routines, LIB$, LIB$FREE_VM_PAGE, Arguments  *Conan The Librarian (sorry for the slow response - running on an old VAX)

 number-of-pages

    OpenVMS usage:longword_signed
    type:         longword integer (signed)
    access:       read only
    mechanism:    by reference

    Number of pages on VAX systems or pagelets on Alpha systems. The
    number-of-pages argument is the address of a longword integer
    that specifies the number of contiguous pages on VAX systems
    or pagelets on Alpha systems to be deallocated. The value of
    number-of-pages must be greater than zero.

 base-address

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

    Block address. The base-address argument is the address of a
    longword that contains the address of the first byte of the first
    VAX page or Alpha pagelet to be deallocated.