/sys$common/syshlp/helplib.hlb RTL Routines, LIB$, LIB$GET_PREV_INVO_CONTEXT  *Conan The Librarian (sorry for the slow response - running on an old VAX)

    (Alpha only.) The Get Previous Invocation Context routine gets
    the previous invocation context of any active procedure.

    A thread can obtain the invocation context of the procedure
    context preceding any other procedure context using the following
    function format:

    Format

      LIB$GET_PREV_INVO_CONTEXT   invo_context

  Additional Information (explode) :

• Returns
• Argument