VMS Help  —  RTL Routines, LIB$  LIB$SCANC
    The Scan for Characters and Return Relative Position routine is
    used to find a specified set of characters in the source string.
    LIB$SCANC makes the VAX SCANC instruction available as a callable
    routine.

    Format

      LIB$SCANC  source-string ,table-array ,byte-integer-mask
Additional Information: explode extract
Returns Arguments
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