VMS Help  —  RTL Routines, LIB$  LIB$I64_GET_FR, Argument
 invo_context

    OpenVMS usage:invo_context_blk
    type:         structure
    access:       read
    mechanism:    by reference

    Address of a valid invocation context block.

 index

    OpenVMS usage:index
    type:         longword
    access:       read
    mechanism:    by value

    Floating point register index.

 fr_copy

    OpenVMS usage:floating-point value
    type:         octaword
    access:       write
    mechanism:    by value

    Address of an octaword to receive the contents of the specified
    floating-point register.
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