I4VEC_INDICATOR</b> sets an I4VEC to the indicator vector.
        </li>
        <li>
          <b>I4VEC_PRINT</b> prints an I4VEC.
        </li>
        <li>
          <b>ISBN_TO_I4</b> converts an ISBN character into an integer.
        </li>
        <li>
          <b>NUMBER_INC</b> increments the integer represented by a string.
        </li>
        <li>
          <b>R4_UNIFORM_01</b> returns a unit pseudorandom R4.
        </li>
        <li>
          <b>S_ADJUSTL</b> flushes a string left.
        </l