 class="identifier">size_t</span>
<span class="identifier">write_some</span><span class="special">(</span>
    <span class="keyword">char</span> <span class="keyword">const</span><span class="special">*</span> <span class="identifier">data</span><span class="special">,</span>
    <span class="identifier">std</span><span class="special">::</span><span class="identifier">size_t</span> <span class="identifier">size</span><span class="special">,</span>
    <span class="identifier">error_code</span><span class="