83 lines
4.8 KiB
HTML
83 lines
4.8 KiB
HTML
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<title>std::basic_streambuf<CharT,Traits>::sbumpc, std::basic_streambuf<CharT,Traits>::stossc</title>
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<body class="mediawiki ltr sitedir-ltr ns-0 ns-subject page-cpp_io_basic_streambuf_sbumpc skin-cppreference2 action-view cpp-navbar">
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<h1 id="firstHeading" class="firstHeading"><span style="font-size:0.7em; line-height:130%">std::basic_streambuf<CharT,Traits>::</span>sbumpc, <span style="font-size:0.7em; line-height:130%">std::basic_streambuf<CharT,Traits>::</span>stossc</h1>
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<div id="contentSub"><span class="subpages">< <a href="cpp.html">cpp</a>‎ | <a href="cpp-io.html">io</a>‎ | <a href="cpp-io-basic_streambuf.html">basic streambuf</a></span></div>
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<div><span class="mw-geshi cpp source-cpp">int_type sbumpc<span class="br0">(</span><span class="br0">)</span><span class="sy4">;</span></span></div>
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</td>
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<td>(1)</td>
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<div><span class="mw-geshi cpp source-cpp"><span class="kw4">void</span> stossc<span class="br0">(</span><span class="br0">)</span><span class="sy4">;</span></span></div>
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<td>(2)</td>
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<td><span class="t-mark">(C++98 中弃用)</span><br />
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<span class="t-mark-rev t-until-cxx17">(C++17 中移除)</span></td>
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<p>读取一个字符并令输入序列前进一个字符。</p>
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<div class="t-li1"><span class="t-li">1)</span> 若输入序列读位置不可用，则返回 <span class="t-lc"><a href="cpp-io-basic_streambuf-uflow.html">uflow()</a></span> 。否则返回 <span class="t-c"><span class="mw-geshi cpp source-cpp">Traits<span class="sy4">::</span><span class="me2">to_int_type</span><span class="br0">(</span><span class="sy2">*</span>gptr<span class="br0">(</span><span class="br0">)</span><span class="br0">)</span></span></span> 。</div>
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<div class="t-li1"><span class="t-li">2)</span> 同 <span class="t-v">(1)</span> ，但舍弃结果。</div>
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<h3><span class="mw-headline" id=".E5.8F.82.E6.95.B0">参数</span></h3>
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<p>（无）</p>
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<h3><span class="mw-headline" id=".E8.BF.94.E5.9B.9E.E5.80.BC">返回值</span></h3>
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<div class="t-li1"><span class="t-li">1)</span> <i>获取指针</i>所指向的字符的值，或若读位置不可用则为 <span class="t-c"><span class="mw-geshi cpp source-cpp">Traits<span class="sy4">::</span><span class="me2">eof</span><span class="br0">(</span><span class="br0">)</span></span></span> 。</div>
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<h3><span class="mw-headline" id=".E7.A4.BA.E4.BE.8B">示例</span></h3>
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<td class="mbox-text" style="">本节未完成<br />
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原因：暂无示例</td>
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<h3><span class="mw-headline" id=".E5.8F.82.E9.98.85">参阅</span></h3>
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<div><a href="cpp-io-basic_streambuf-sgetc.html"><span class="t-lines"><span>sgetc</span></span></a></div>
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<td>从输入序列读取一个字符，而不令序列前进<br />
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<span class="t-mark">(公开成员函数)</span></td>
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<div><a href="cpp-io-basic_streambuf-snextc.html"><span class="t-lines"><span>snextc</span></span></a></div>
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</td>
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<td>令输入序列前进，读取一个字符而不再次前进<br />
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<span class="t-mark">(公开成员函数)</span></td>
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