VMS Help  —  RTL Routines, LIB$  LIB$EXTZV
    The Extract a Zero-Extended Field routine returns a longword
    zero-extended field that has been extracted from the specified
    variable bit field. LIB$EXTZV makes the VAX EXTZV instruction
    available as a callable routine.

    Format

      LIB$EXTZV  position ,size ,base-address
Additional Information: explode extract
Returns Arguments
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