VMS Help RTL Routines, LIB$, LIB$EXTZV  *Conan The Librarian (sorry for the slow response - running on an old VAX)

    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) :

• Returns
• Arguments