VMS Help  —  RTL Routines, LIB$  LIB$LOOKUP_KEY
    The Look Up Keyword in Table routine scans a table of keywords
    to find one that matches the keyword or keyword abbreviation
    specified by search-string.

    Format

      LIB$LOOKUP_KEY  search-string ,key-table-array [,key-value]

                      [,keyword-string] [,resultant-length]
Additional Information: explode extract
Returns Arguments
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