n><span class="special">(</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">basic_istream</span><span class="special">&lt;</span> <span class="identifier">Ch</span><span class="special">,</span> <span class="identifier">Traits</span> <span class="special">&gt;</span> <span class="special">&amp;</span> s<span class="special">,</span> <span class="keyword">signed</span> <span class="keyword">char</span> <span class="special">&amp;</span> e<span class="special">)<