">int_type</span> <span class="identifier">fixed_string_to_int</span><span class="special">(</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">istreambuf_iterator</span><span class="special">&lt;</span> <span class="identifier">charT</span> <span class="special">&gt;</span> <span class="special">&amp;</span> itr<span class="special">,</span> 
                               <span class="identifier">std</span><span class="special">::</span><span class="identifier