        <para>
            The argument type <type>ugentype</type> refers to unsigned integer types, i.e. <type>uchar</type>,
            <type>uchar<replaceable>n</replaceable></type>, <type>ushort</type>, <type>ushort<replaceable>n</replaceable></type>,
            <type>uint</type>, <type>uint<replaceable>n</replaceable></type>, <type>ulong</type>, and
            <type>ulong<replaceable>n</replaceable></type>. <replaceable>n</replaceable> is 2, 3, 4, 8, or 16.
        </para>