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<h1 id="firstHeading" class="firstHeading">fputc, putc</h1>
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<div id="contentSub"><span class="subpages">&lt; <a href="c.html">c</a>&lrm; | <a href="c-io.html">io</a></span></div>
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<div>&#23450;&#20041;&#20110;&#22836;&#25991;&#20214; <code>&lt;stdio.h&gt;</code></div>
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<div><span class="mw-geshi c source-c"><span class="kw4">int</span> fputc<span class="br0">(</span> <span class="kw4">int</span> ch, <a href="c-io.html"><span class="kw882">FILE</span></a> <span class="sy2">*</span>stream <span class="br0">)</span><span class="sy4">;</span></span></div>
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<div><span class="mw-geshi c source-c"><span class="kw4">int</span> putc<span class="br0">(</span> <span class="kw4">int</span> ch, <a href="c-io.html"><span class="kw882">FILE</span></a> <span class="sy2">*</span>stream <span class="br0">)</span><span class="sy4">;</span></span></div>
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<p>&#20889;&#20837;&#23383;&#31526; <code>ch</code> &#21040;&#32473;&#23450;&#36755;&#20986;&#27969; <code>stream</code> &#12290; <span class="t-c"><span class="mw-geshi c source-c">putc<span class="br0">(</span><span class="br0">)</span></span></span> &#21487;&#20197;&#23454;&#29616;&#20026;&#23439;&#24182;&#23545; <code>stream</code> &#27714;&#20540;&#36229;&#36807;&#19968;&#27425;&#65292;&#25925;&#23545;&#24212;&#30340;&#21442;&#25968;&#20915;&#19981;&#24212;&#26159;&#26377;&#21103;&#25928;&#24212;&#30340;&#34920;&#36798;&#24335;&#12290;</p>
<p>&#22312;&#20869;&#37096;&#65292;&#22312;&#20889;&#20837;&#21069;&#23558;&#23383;&#31526;&#36716;&#25442;&#20026; <span class="t-c"><span class="mw-geshi c source-c"><span class="kw4">unsigned</span> <span class="kw4">char</span></span></span> &#12290;</p>
<h3><span class="mw-headline" id=".E5.8F.82.E6.95.B0">&#21442;&#25968;</span></h3>
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<td>ch</td>
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<h3><span class="mw-headline" id=".E5.8F.82.E6.95.B0_2">&#21442;&#25968;</span></h3>
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<td>ch</td>
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<td>&#35201;&#20889;&#20837;&#30340;&#23383;&#31526;</td>
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<td>stream</td>
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<h3><span class="mw-headline" id=".E8.BF.94.E5.9B.9E.E5.80.BC">&#36820;&#22238;&#20540;</span></h3>
<p>&#25104;&#21151;&#26102;&#65292;&#36820;&#22238;&#34987;&#20889;&#20837;&#23383;&#31526;&#12290;</p>
<p>&#22833;&#36133;&#26102;&#65292;&#36820;&#22238; <span class="t-lc"><a href="c-io.html">EOF</a></span> &#24182;&#35774;&#32622; <span class="t-lc">stream</span> &#19978;&#30340;<i>&#38169;&#35823;</i>&#25351;&#31034;&#22120;&#65288;&#35265; <span class="t-lc"><a href="c-io-ferror.html">ferror()</a></span> &#65289;&#12290;</p>
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<p>putc&#24102;&#38169;&#35823;&#26816;&#26597;</p>
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<pre class="de1"><span class="co2">#include &lt;stdio.h&gt;</span>
<span class="co2">#include &lt;stdlib.h&gt;</span>
<span class="kw4">int</span> main<span class="br0">(</span><span class="kw4">void</span><span class="br0">)</span>
<span class="br0">{</span>
<span class="kw4">int</span> ret_code <span class="sy1">=</span> <span class="nu0">0</span><span class="sy4">;</span>
<span class="kw1">for</span> <span class="br0">(</span><span class="kw4">char</span> c <span class="sy1">=</span> <span class="st0">&#39;a&#39;</span><span class="sy4">;</span> <span class="br0">(</span>ret_code <span class="sy3">!</span><span class="sy1">=</span> <a href="c-io.html"><span class="kw887">EOF</span></a><span class="br0">)</span> <span class="sy3">&amp;&amp;</span> <span class="br0">(</span>c <span class="sy3">!</span><span class="sy1">=</span> <span class="st0">&#39;z&#39;</span><span class="br0">)</span><span class="sy4">;</span> c<span class="sy2">++</span><span class="br0">)</span>
ret_code <span class="sy1">=</span> putc<span class="br0">(</span>c, <a href="c-io.html"><span class="kw885">stdout</span></a><span class="br0">)</span><span class="sy4">;</span>
<span class="coMULTI">/* &#27979;&#35797;&#26159;&#21542;&#25269;&#36798; EOF &#12290; */</span>
<span class="kw1">if</span> <span class="br0">(</span>ret_code <span class="sy1">==</span> <a href="c-io.html"><span class="kw887">EOF</span></a><span class="br0">)</span>
<span class="kw1">if</span> <span class="br0">(</span><a href="c-io-ferror.html"><span class="kw876">ferror</span></a><span class="br0">(</span><a href="c-io.html"><span class="kw885">stdout</span></a><span class="br0">)</span><span class="br0">)</span>
<span class="br0">{</span>
<a href="c-io-perror.html"><span class="kw877">perror</span></a><span class="br0">(</span><span class="st0">&quot;putc()&quot;</span><span class="br0">)</span><span class="sy4">;</span>
<a href="c-io-fprintf.html"><span class="kw850">fprintf</span></a><span class="br0">(</span><a href="c-io.html"><span class="kw886">stderr</span></a>,<span class="st0">&quot;putc() failed in file %s at line # %d<span class="es1">\n</span>&quot;</span>, __FILE__,__LINE__<span class="sy2">-</span><span class="nu0">7</span><span class="br0">)</span><span class="sy4">;</span>
<a href="c-program-exit.html"><span class="kw488">exit</span></a><span class="br0">(</span><a href="c-program-EXIT_status.html"><span class="kw494">EXIT_FAILURE</span></a><span class="br0">)</span><span class="sy4">;</span>
<span class="br0">}</span>
putc<span class="br0">(</span><span class="st0">&#39;<span class="es1">\n</span>&#39;</span>, <a href="c-io.html"><span class="kw885">stdout</span></a><span class="br0">)</span><span class="sy4">;</span>
<span class="kw1">return</span> <a href="c-program-EXIT_status.html"><span class="kw493">EXIT_SUCCESS</span></a><span class="sy4">;</span>
<span class="br0">}</span></pre></div>
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<p>&#36755;&#20986;&#65306;</p>
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<pre class="de1">abcdefghijklmnopqrstuvwxy</pre></div>
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<h3><span class="mw-headline" id=".E5.BC.95.E7.94.A8">&#24341;&#29992;</span></h3>
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<li>C11 &#26631;&#20934;&#65288;ISO/IEC 9899:2011&#65289;&#65306;</li>
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<li>7.21.7.3 The fputc function (p: 331)</li>
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<li>7.21.7.7 The putc function (p: 333)</li>
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<li>C99 &#26631;&#20934;&#65288;ISO/IEC 9899:1999&#65289;&#65306;</li>
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<li>7.19.7.3 The fputc function (p: 297)</li>
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<li>7.19.7.8 The putc function (p: 299)</li>
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<li>C89/C90 &#26631;&#20934;&#65288;ISO/IEC 9899:1990&#65289;&#65306;</li>
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<li>4.9.7.3 The fputc function</li>
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<li>4.9.7.8 The putc function</li>
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<h3><span class="mw-headline" id=".E5.8F.82.E9.98.85">&#21442;&#38405;</span></h3>
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<div><a href="c-io-putchar.html"><span class="t-lines"><span>putchar</span></span></a></div>
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<td>&#23558;&#19968;&#20010;&#23383;&#31526;&#20889;&#20837; <code>stdout</code><br />
<span class="t-mark">(&#20989;&#25968;)</span></td>
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