rd">typedef</span> <span class="keyword">int</span>  <span class="identifier">addend1_type</span><span class="special">[</span> <span class="identifier">addend1_size</span> <span class="special">];</span>
    <span class="keyword">typedef</span> <span class="keyword">int</span>  <span class="identifier">addend2_type</span><span class="special">[</span> <span class="identifier">addend2_size</span> <span class="special">];</span>
    <span class="keyword">typedef</span> <span class="keyword">int</span>  <span