Library /sys$common/syshlp/HELPLIB.HLB  —  RTL Routines, LIB$  LIB$X86_GET_INVO_CONTEXT
    A thread can obtain the invocation context of any active
    procedure by using this function.

    Format
      LIB$X86_GET_INVO_CONTEXT(invo_handle, invo_context)
Additional Information: explode extract
Returns Arguments
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