654 lines
19 KiB
HTML
654 lines
19 KiB
HTML
<!DOCTYPE html>
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<html lang="zh" dir="ltr" class="client-nojs" xmlns="http://www.w3.org/1999/xhtml" xml:lang="zh">
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<head><meta http-equiv="x-ua-compatible" content="ie=edge">
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
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<title>ASCII 码表</title>
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<link rel="stylesheet" href="ext.css" />
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<link rel="stylesheet" href="site_modules.css" />
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</head>
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<body class="mediawiki ltr sitedir-ltr ns-0 ns-subject page-c_language_ascii skin-cppreference2 action-view cpp-navbar">
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<div id="cpp-content-base">
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<div id="content"><a id="top"></a>
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<h1 id="firstHeading" class="firstHeading">ASCII 码表</h1>
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<div id="bodyContent">
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<div id="contentSub"><span class="subpages">< <a href="c.html">c</a>‎ | <a href="c-language.html">language</a></span></div>
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<div id="mw-content-text" lang="zh" dir="ltr" class="mw-content-ltr" xml:lang="zh">
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<p>下表包含所有 128 个 ASCII 码对应的十进制 <b>(dec)</b> 、八进制 <b>(oct)</b> ，十六进制 <b>(hex)</b> 和字符 <b>(ch)</b> 的值。</p>
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<table class="wikitable" style="text-align: left;">
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<tr>
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<th><code>dec</code></th>
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<th><code>oct</code></th>
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<th><code>hex</code></th>
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<th style="text-align: left;"><code>ch</code></th>
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<td rowspan="33"></td>
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<th><code>dec</code></th>
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<th><code>oct</code></th>
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<th><code>hex</code></th>
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<th style="text-align: left;"><code>ch</code></th>
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<td rowspan="33"></td>
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<th><code>dec</code></th>
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<th><code>oct</code></th>
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<th><code>hex</code></th>
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<th style="text-align: left;"><code>ch</code></th>
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<td rowspan="33"></td>
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<th><code>dec</code></th>
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<th><code>oct</code></th>
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<th><code>hex</code></th>
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<th style="text-align: left;"><code>ch</code></th>
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</tr>
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<tr>
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<td><code>0</code></td>
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<td><code>0</code></td>
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<td><code>00</code></td>
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<td><code><b>NUL</b></code> (空)</td>
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<td><code>32</code></td>
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<td><code>40</code></td>
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<td><code>20</code></td>
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<td>(空格)</td>
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<td><code>64</code></td>
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<td><code>100</code></td>
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<td><code>40</code></td>
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<td><code><b>@</b></code></td>
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<td><code>96</code></td>
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<td><code>140</code></td>
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<td><code>60</code></td>
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<td><code><b>`</b></code></td>
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</tr>
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<tr>
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<td><code>1</code></td>
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<td><code>1</code></td>
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<td><code>01</code></td>
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<td><code><b>SOH</b></code> (标题开始)</td>
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<td><code>33</code></td>
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<td><code>41</code></td>
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<td><code>21</code></td>
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<td><code><b>!</b></code></td>
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<td><code>65</code></td>
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<td><code>101</code></td>
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<td><code>41</code></td>
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<td><code><b>A</b></code></td>
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<td><code>97</code></td>
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<td><code>141</code></td>
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<td><code>61</code></td>
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<td><code><b>a</b></code></td>
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</tr>
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<tr>
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<td><code>2</code></td>
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<td><code>2</code></td>
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<td><code>02</code></td>
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<td><code><b>STX</b></code> (正文开始)</td>
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<td><code>34</code></td>
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<td><code>42</code></td>
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<td><code>22</code></td>
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<td><code><b>"</b></code></td>
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<td><code>66</code></td>
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<td><code>102</code></td>
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<td><code>42</code></td>
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<td><code><b>B</b></code></td>
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<td><code>98</code></td>
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<td><code>142</code></td>
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<td><code>62</code></td>
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<td><code><b>b</b></code></td>
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</tr>
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<tr>
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<td><code>3</code></td>
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<td><code>3</code></td>
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<td><code>03</code></td>
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<td><code><b>ETX</b></code> (正文结束)</td>
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<td><code>35</code></td>
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<td><code>43</code></td>
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<td><code>23</code></td>
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<td><code><b>#</b></code></td>
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<td><code>67</code></td>
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<td><code>103</code></td>
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<td><code>43</code></td>
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<td><code><b>C</b></code></td>
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<td><code>99</code></td>
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<td><code>143</code></td>
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<td><code>63</code></td>
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<td><code><b>c</b></code></td>
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</tr>
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<tr>
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<td><code>4</code></td>
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<td><code>4</code></td>
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<td><code>04</code></td>
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<td><code><b>EOT</b></code> (传送结束)</td>
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<td><code>36</code></td>
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<td><code>44</code></td>
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<td><code>24</code></td>
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<td><code><b>$</b></code></td>
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<td><code>68</code></td>
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<td><code>104</code></td>
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<td><code>44</code></td>
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<td><code><b>D</b></code></td>
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<td><code>100</code></td>
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<td><code>144</code></td>
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<td><code>64</code></td>
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<td><code><b>d</b></code></td>
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</tr>
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<tr>
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<td><code>5</code></td>
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<td><code>5</code></td>
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<td><code>05</code></td>
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<td><code><b>ENQ</b></code> (询问)</td>
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<td><code>37</code></td>
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<td><code>45</code></td>
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<td><code>25</code></td>
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<td><code><b>%</b></code></td>
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<td><code>69</code></td>
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<td><code>105</code></td>
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<td><code>45</code></td>
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<td><code><b>E</b></code></td>
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<td><code>101</code></td>
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<td><code>145</code></td>
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<td><code>65</code></td>
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<td><code><b>e</b></code></td>
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</tr>
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<tr>
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<td><code>6</code></td>
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<td><code>6</code></td>
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<td><code>06</code></td>
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<td><code><b>ACK</b></code> (确认)</td>
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<td><code>38</code></td>
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<td><code>46</code></td>
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<td><code>26</code></td>
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<td><code><b>&</b></code></td>
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<td><code>70</code></td>
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<td><code>106</code></td>
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<td><code>46</code></td>
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<td><code><b>F</b></code></td>
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<td><code>102</code></td>
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<td><code>146</code></td>
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<td><code>66</code></td>
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<td><code><b>f</b></code></td>
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</tr>
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<tr>
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<td><code>7</code></td>
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<td><code>7</code></td>
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<td><code>07</code></td>
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<td><code><b>BEL</b></code> (响铃)</td>
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<td><code>39</code></td>
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<td><code>47</code></td>
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<td><code>27</code></td>
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<td><code><b>'</b></code></td>
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<td><code>71</code></td>
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<td><code>107</code></td>
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<td><code>47</code></td>
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<td><code><b>G</b></code></td>
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<td><code>103</code></td>
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<td><code>147</code></td>
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<td><code>67</code></td>
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<td><code><b>g</b></code></td>
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</tr>
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<tr>
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<td><code>8</code></td>
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<td><code>10</code></td>
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<td><code>08</code></td>
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<td><code><b>BS</b></code> (退格)</td>
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<td><code>40</code></td>
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<td><code>50</code></td>
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<td><code>28</code></td>
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<td><code><b>(</b></code></td>
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<td><code>72</code></td>
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<td><code>110</code></td>
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<td><code>48</code></td>
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<td><code><b>H</b></code></td>
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<td><code>104</code></td>
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<td><code>150</code></td>
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<td><code>68</code></td>
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<td><code><b>h</b></code></td>
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</tr>
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<tr>
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<td><code>9</code></td>
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<td><code>11</code></td>
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<td><code>09</code></td>
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<td><code><b>HT</b></code> (横向制表)</td>
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<td><code>41</code></td>
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<td><code>51</code></td>
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<td><code>29</code></td>
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<td><code><b>)</b></code></td>
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<td><code>73</code></td>
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<td><code>111</code></td>
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<td><code>49</code></td>
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<td><code><b>I</b></code></td>
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<td><code>105</code></td>
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<td><code>151</code></td>
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<td><code>69</code></td>
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<td><code><b>i</b></code></td>
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</tr>
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<tr>
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<td><code>10</code></td>
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<td><code>12</code></td>
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<td><code>0a</code></td>
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<td><code><b>LF</b></code> (换行)</td>
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<td><code>42</code></td>
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<td><code>52</code></td>
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<td><code>2a</code></td>
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<td><code><b>*</b></code></td>
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<td><code>74</code></td>
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<td><code>112</code></td>
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<td><code>4a</code></td>
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<td><code><b>J</b></code></td>
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<td><code>106</code></td>
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<td><code>152</code></td>
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<td><code>6a</code></td>
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<td><code><b>j</b></code></td>
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</tr>
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<tr>
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<td><code>11</code></td>
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<td><code>13</code></td>
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<td><code>0b</code></td>
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<td><code><b>VT</b></code> (纵向制表)</td>
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<td><code>43</code></td>
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<td><code>53</code></td>
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<td><code>2b</code></td>
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<td><code><b>+</b></code></td>
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<td><code>75</code></td>
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<td><code>113</code></td>
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<td><code>4b</code></td>
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<td><code><b>K</b></code></td>
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<td><code>107</code></td>
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<td><code>153</code></td>
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<td><code>6b</code></td>
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<td><code><b>k</b></code></td>
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</tr>
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<tr>
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<td><code>12</code></td>
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<td><code>14</code></td>
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<td><code>0c</code></td>
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<td><code><b>FF</b></code> (换页)</td>
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<td><code>44</code></td>
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<td><code>54</code></td>
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<td><code>2c</code></td>
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<td><code><b>,</b></code></td>
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<td><code>76</code></td>
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<td><code>114</code></td>
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<td><code>4c</code></td>
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<td><code><b>L</b></code></td>
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<td><code>108</code></td>
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<td><code>154</code></td>
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<td><code>6c</code></td>
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<td><code><b>l</b></code></td>
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</tr>
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<tr>
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<td><code>13</code></td>
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<td><code>15</code></td>
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<td><code>0d</code></td>
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<td><code><b>CR</b></code> (回车)</td>
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<td><code>45</code></td>
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<td><code>55</code></td>
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<td><code>2d</code></td>
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<td><code><b>-</b></code></td>
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<td><code>77</code></td>
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<td><code>115</code></td>
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<td><code>4d</code></td>
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<td><code><b>M</b></code></td>
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<td><code>109</code></td>
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<td><code>155</code></td>
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<td><code>6d</code></td>
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<td><code><b>m</b></code></td>
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</tr>
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<tr>
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<td><code>14</code></td>
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<td><code>16</code></td>
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<td><code>0e</code></td>
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<td><code><b>SO</b></code> (移出)</td>
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<td><code>46</code></td>
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<td><code>56</code></td>
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<td><code>2e</code></td>
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<td><code><b>.</b></code></td>
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<td><code>78</code></td>
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<td><code>116</code></td>
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<td><code>4e</code></td>
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<td><code><b>N</b></code></td>
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<td><code>110</code></td>
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<td><code>156</code></td>
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<td><code>6e</code></td>
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<td><code><b>n</b></code></td>
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</tr>
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<tr>
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<td><code>15</code></td>
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<td><code>17</code></td>
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<td><code>0f</code></td>
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<td><code><b>SI</b></code> (移入)</td>
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<td><code>47</code></td>
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<td><code>57</code></td>
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<td><code>2f</code></td>
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<td><code><b>/</b></code></td>
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<td><code>79</code></td>
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<td><code>117</code></td>
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<td><code>4f</code></td>
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<td><code><b>O</b></code></td>
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<td><code>111</code></td>
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<td><code>157</code></td>
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<td><code>6f</code></td>
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<td><code><b>o</b></code></td>
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</tr>
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<tr>
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<td><code>16</code></td>
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<td><code>20</code></td>
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<td><code>10</code></td>
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<td><code><b>DLE</b></code> (退出数据链)</td>
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<td><code>48</code></td>
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<td><code>60</code></td>
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<td><code>30</code></td>
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<td><code><b>0</b></code></td>
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<td><code>80</code></td>
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<td><code>120</code></td>
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<td><code>50</code></td>
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<td><code><b>P</b></code></td>
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<td><code>112</code></td>
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<td><code>160</code></td>
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<td><code>70</code></td>
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<td><code><b>p</b></code></td>
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</tr>
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<tr>
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<td><code>17</code></td>
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<td><code>21</code></td>
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<td><code>11</code></td>
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<td><code><b>DC1</b></code> (设备控制1)</td>
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<td><code>49</code></td>
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<td><code>61</code></td>
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<td><code>31</code></td>
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<td><code><b>1</b></code></td>
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<td><code>81</code></td>
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<td><code>121</code></td>
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<td><code>51</code></td>
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<td><code><b>Q</b></code></td>
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<td><code>113</code></td>
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<td><code>161</code></td>
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<td><code>71</code></td>
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<td><code><b>q</b></code></td>
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</tr>
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<tr>
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<td><code>18</code></td>
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<td><code>22</code></td>
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<td><code>12</code></td>
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<td><code><b>DC2</b></code> (设备控制2)</td>
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<td><code>50</code></td>
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<td><code>62</code></td>
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<td><code>32</code></td>
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<td><code><b>2</b></code></td>
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<td><code>82</code></td>
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<td><code>122</code></td>
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<td><code>52</code></td>
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<td><code><b>R</b></code></td>
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<td><code>114</code></td>
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<td><code>162</code></td>
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<td><code>72</code></td>
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<td><code><b>r</b></code></td>
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</tr>
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<tr>
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<td><code>19</code></td>
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<td><code>23</code></td>
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<td><code>13</code></td>
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<td><code><b>DC3</b></code> (设备控制3)</td>
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<td><code>51</code></td>
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<td><code>63</code></td>
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<td><code>33</code></td>
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<td><code><b>3</b></code></td>
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<td><code>83</code></td>
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<td><code>123</code></td>
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<td><code>53</code></td>
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<td><code><b>S</b></code></td>
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<td><code>115</code></td>
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<td><code>163</code></td>
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<td><code>73</code></td>
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<td><code><b>s</b></code></td>
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</tr>
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<tr>
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<td><code>20</code></td>
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<td><code>24</code></td>
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<td><code>14</code></td>
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<td><code><b>DC4</b></code> (设备控制4)</td>
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<td><code>52</code></td>
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<td><code>64</code></td>
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<td><code>34</code></td>
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<td><code><b>4</b></code></td>
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<td><code>84</code></td>
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<td><code>124</code></td>
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<td><code>54</code></td>
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<td><code><b>T</b></code></td>
|
|
<td><code>116</code></td>
|
|
<td><code>164</code></td>
|
|
<td><code>74</code></td>
|
|
<td><code><b>t</b></code></td>
|
|
</tr>
|
|
<tr>
|
|
<td><code>21</code></td>
|
|
<td><code>25</code></td>
|
|
<td><code>15</code></td>
|
|
<td><code><b>NAK</b></code> (反确认)</td>
|
|
<td><code>53</code></td>
|
|
<td><code>65</code></td>
|
|
<td><code>35</code></td>
|
|
<td><code><b>5</b></code></td>
|
|
<td><code>85</code></td>
|
|
<td><code>125</code></td>
|
|
<td><code>55</code></td>
|
|
<td><code><b>U</b></code></td>
|
|
<td><code>117</code></td>
|
|
<td><code>165</code></td>
|
|
<td><code>75</code></td>
|
|
<td><code><b>u</b></code></td>
|
|
</tr>
|
|
<tr>
|
|
<td><code>22</code></td>
|
|
<td><code>26</code></td>
|
|
<td><code>16</code></td>
|
|
<td><code><b>SYN</b></code> (同步空闲)</td>
|
|
<td><code>54</code></td>
|
|
<td><code>66</code></td>
|
|
<td><code>36</code></td>
|
|
<td><code><b>6</b></code></td>
|
|
<td><code>86</code></td>
|
|
<td><code>126</code></td>
|
|
<td><code>56</code></td>
|
|
<td><code><b>V</b></code></td>
|
|
<td><code>118</code></td>
|
|
<td><code>166</code></td>
|
|
<td><code>76</code></td>
|
|
<td><code><b>v</b></code></td>
|
|
</tr>
|
|
<tr>
|
|
<td><code>23</code></td>
|
|
<td><code>27</code></td>
|
|
<td><code>17</code></td>
|
|
<td><code><b>ETB</b></code> (传输块结束)</td>
|
|
<td><code>55</code></td>
|
|
<td><code>67</code></td>
|
|
<td><code>37</code></td>
|
|
<td><code><b>7</b></code></td>
|
|
<td><code>87</code></td>
|
|
<td><code>127</code></td>
|
|
<td><code>57</code></td>
|
|
<td><code><b>W</b></code></td>
|
|
<td><code>119</code></td>
|
|
<td><code>167</code></td>
|
|
<td><code>77</code></td>
|
|
<td><code><b>w</b></code></td>
|
|
</tr>
|
|
<tr>
|
|
<td><code>24</code></td>
|
|
<td><code>30</code></td>
|
|
<td><code>18</code></td>
|
|
<td><code><b>CAN</b></code> (取消)</td>
|
|
<td><code>56</code></td>
|
|
<td><code>70</code></td>
|
|
<td><code>38</code></td>
|
|
<td><code><b>8</b></code></td>
|
|
<td><code>88</code></td>
|
|
<td><code>130</code></td>
|
|
<td><code>58</code></td>
|
|
<td><code><b>X</b></code></td>
|
|
<td><code>120</code></td>
|
|
<td><code>170</code></td>
|
|
<td><code>78</code></td>
|
|
<td><code><b>x</b></code></td>
|
|
</tr>
|
|
<tr>
|
|
<td><code>25</code></td>
|
|
<td><code>31</code></td>
|
|
<td><code>19</code></td>
|
|
<td><code><b>EM</b></code> (媒介结束)</td>
|
|
<td><code>57</code></td>
|
|
<td><code>71</code></td>
|
|
<td><code>39</code></td>
|
|
<td><code><b>9</b></code></td>
|
|
<td><code>89</code></td>
|
|
<td><code>131</code></td>
|
|
<td><code>59</code></td>
|
|
<td><code><b>Y</b></code></td>
|
|
<td><code>121</code></td>
|
|
<td><code>171</code></td>
|
|
<td><code>79</code></td>
|
|
<td><code><b>y</b></code></td>
|
|
</tr>
|
|
<tr>
|
|
<td><code>26</code></td>
|
|
<td><code>32</code></td>
|
|
<td><code>1a</code></td>
|
|
<td><code><b>SUB</b></code> (替换)</td>
|
|
<td><code>58</code></td>
|
|
<td><code>72</code></td>
|
|
<td><code>3a</code></td>
|
|
<td><code><b>:</b></code></td>
|
|
<td><code>90</code></td>
|
|
<td><code>132</code></td>
|
|
<td><code>5a</code></td>
|
|
<td><code><b>Z</b></code></td>
|
|
<td><code>122</code></td>
|
|
<td><code>172</code></td>
|
|
<td><code>7a</code></td>
|
|
<td><code><b>z</b></code></td>
|
|
</tr>
|
|
<tr>
|
|
<td><code>27</code></td>
|
|
<td><code>33</code></td>
|
|
<td><code>1b</code></td>
|
|
<td><code><b>ESC</b></code> (退出)</td>
|
|
<td><code>59</code></td>
|
|
<td><code>73</code></td>
|
|
<td><code>3b</code></td>
|
|
<td><code><b>;</b></code></td>
|
|
<td><code>91</code></td>
|
|
<td><code>133</code></td>
|
|
<td><code>5b</code></td>
|
|
<td><code><b>[</b></code></td>
|
|
<td><code>123</code></td>
|
|
<td><code>173</code></td>
|
|
<td><code>7b</code></td>
|
|
<td><code><b>{</b></code></td>
|
|
</tr>
|
|
<tr>
|
|
<td><code>28</code></td>
|
|
<td><code>34</code></td>
|
|
<td><code>1c</code></td>
|
|
<td><code><b>FS</b></code> (文件分隔符)</td>
|
|
<td><code>60</code></td>
|
|
<td><code>74</code></td>
|
|
<td><code>3c</code></td>
|
|
<td><code><b><</b></code></td>
|
|
<td><code>92</code></td>
|
|
<td><code>134</code></td>
|
|
<td><code>5c</code></td>
|
|
<td><code><b>\</b></code></td>
|
|
<td><code>124</code></td>
|
|
<td><code>174</code></td>
|
|
<td><code>7c</code></td>
|
|
<td><code><b>|</b></code></td>
|
|
</tr>
|
|
<tr>
|
|
<td><code>29</code></td>
|
|
<td><code>35</code></td>
|
|
<td><code>1d</code></td>
|
|
<td><code><b>GS</b></code> (组分隔符)</td>
|
|
<td><code>61</code></td>
|
|
<td><code>75</code></td>
|
|
<td><code>3d</code></td>
|
|
<td><code><b>=</b></code></td>
|
|
<td><code>93</code></td>
|
|
<td><code>135</code></td>
|
|
<td><code>5d</code></td>
|
|
<td><code><b>]</b></code></td>
|
|
<td><code>125</code></td>
|
|
<td><code>175</code></td>
|
|
<td><code>7d</code></td>
|
|
<td><code><b>}</b></code></td>
|
|
</tr>
|
|
<tr>
|
|
<td><code>30</code></td>
|
|
<td><code>36</code></td>
|
|
<td><code>1e</code></td>
|
|
<td><code><b>RS</b></code> (记录分隔符)</td>
|
|
<td><code>62</code></td>
|
|
<td><code>76</code></td>
|
|
<td><code>3e</code></td>
|
|
<td><code><b>></b></code></td>
|
|
<td><code>94</code></td>
|
|
<td><code>136</code></td>
|
|
<td><code>5e</code></td>
|
|
<td><code><b>^</b></code></td>
|
|
<td><code>126</code></td>
|
|
<td><code>176</code></td>
|
|
<td><code>7e</code></td>
|
|
<td><code><b>~</b></code></td>
|
|
</tr>
|
|
<tr>
|
|
<td><code>31</code></td>
|
|
<td><code>37</code></td>
|
|
<td><code>1f</code></td>
|
|
<td><code><b>US</b></code> (单元分隔符)</td>
|
|
<td><code>63</code></td>
|
|
<td><code>77</code></td>
|
|
<td><code>3f</code></td>
|
|
<td><code><b>?</b></code></td>
|
|
<td><code>95</code></td>
|
|
<td><code>137</code></td>
|
|
<td><code>5f</code></td>
|
|
<td><code><b>_</b></code></td>
|
|
<td><code>127</code></td>
|
|
<td><code>177</code></td>
|
|
<td><code>7f</code></td>
|
|
<td><code><b>DEL</b></code> (删除)</td>
|
|
</tr>
|
|
</table>
|
|
<p>注意：在 Unicode 中， ASCII 字符块被称作 <a rel="nofollow" class="external text" href="http://www.unicode.org/charts/PDF/U0000.pdf"><code>U+0000..U+007F</code> 基础拉丁（ Basic Latin ）</a>。</p>
|
|
<h3><span class="mw-headline" id=".E7.A4.BA.E4.BE.8B">示例</span></h3>
|
|
<div class="t-example">
|
|
<div class="t-example-live-link"></div>
|
|
<div dir="ltr" class="mw-geshi" style="text-align: left;">
|
|
<div class="c source-c">
|
|
<pre class="de1"><span class="co2">#include <stdio.h></span>
|
|
|
|
<span class="kw4">int</span> main<span class="br0">(</span><span class="kw4">void</span><span class="br0">)</span>
|
|
<span class="br0">{</span>
|
|
<a href="c-io-puts.html"><span class="kw836">puts</span></a><span class="br0">(</span><span class="st0">"Printable ASCII:"</span><span class="br0">)</span><span class="sy4">;</span>
|
|
<span class="kw1">for</span> <span class="br0">(</span><span class="kw4">int</span> i <span class="sy1">=</span> <span class="nu0">32</span><span class="sy4">;</span> i <span class="sy1"><</span> <span class="nu0">127</span><span class="sy4">;</span> <span class="sy2">++</span>i<span class="br0">)</span> <span class="br0">{</span>
|
|
<a href="c-io-putchar.html"><span class="kw835">putchar</span></a><span class="br0">(</span>i<span class="br0">)</span><span class="sy4">;</span>
|
|
<a href="c-io-putchar.html"><span class="kw835">putchar</span></a><span class="br0">(</span>i <span class="sy2">%</span> <span class="nu0">16</span> <span class="sy1">==</span> <span class="nu0">15</span> <span class="sy4">?</span> <span class="st0">'<span class="es1">\n</span>'</span> <span class="sy4">:</span> <span class="st0">' '</span><span class="br0">)</span><span class="sy4">;</span>
|
|
<span class="br0">}</span>
|
|
<span class="br0">}</span></pre></div>
|
|
</div>
|
|
<p>可能的输出：</p>
|
|
<div dir="ltr" class="mw-geshi" style="text-align: left;">
|
|
<div class="text source-text">
|
|
<pre class="de1">Printable ASCII:
|
|
! " # $ % & ' ( ) * + , - . /
|
|
0 1 2 3 4 5 6 7 8 9 : ; < = > ?
|
|
@ A B C D E F G H I J K L M N O
|
|
P Q R S T U V W X Y Z [ \ ] ^ _
|
|
` a b c d e f g h i j k l m n o
|
|
p q r s t u v w x y z { | } ~</pre></div>
|
|
</div>
|
|
</div>
|
|
<h3><span class="mw-headline" id=".E5.8F.82.E9.98.85">参阅</span></h3>
|
|
<table class="t-dsc-begin"></table>
|
|
</div>
|
|
<div class="visualClear"></div>
|
|
</div>
|
|
</div>
|
|
</div>
|
|
</body>
|
|
</html>
|