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ASCII Chart [C++ Reference]
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<h2><a name="ascii_chart" id="ascii_chart">ASCII Chart</a></h2>
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<p>
The following chart contains the first 128 <acronym title="American Standard Code for Information Interchange">ASCII</acronym> decimal, octal, hexadecimal and character codes.
</p>
<table class="inline">
<tr class="row0">
<th class="col0">Decimal</th><th class="col1">Octal</th><th class="col2">Hex</th><th class="col3">Character</th><th class="col4">Description</th>
</tr>
<tr class="row1">
<td class="col0">0</td><td class="col1">0</td><td class="col2">00</td><td class="col3" colspan="2">NUL</td>
</tr>
<tr class="row2">
<td class="col0">1</td><td class="col1">1</td><td class="col2">01</td><td class="col3">SOH</td><td class="col4">start of header</td>
</tr>
<tr class="row3">
<td class="col0">2</td><td class="col1">2</td><td class="col2">02</td><td class="col3">STX</td><td class="col4">start of text</td>
</tr>
<tr class="row4">
<td class="col0">3</td><td class="col1">3</td><td class="col2">03</td><td class="col3">ETX</td><td class="col4">end of text</td>
</tr>
<tr class="row5">
<td class="col0">4</td><td class="col1">4</td><td class="col2">04</td><td class="col3"><acronym title="End of text">EOT</acronym></td><td class="col4">end of transmission</td>
</tr>
<tr class="row6">
<td class="col0">5</td><td class="col1">5</td><td class="col2">05</td><td class="col3">ENQ</td><td class="col4">enquiry</td>
</tr>
<tr class="row7">
<td class="col0">6</td><td class="col1">6</td><td class="col2">06</td><td class="col3">ACK</td><td class="col4">acknowledge</td>
</tr>
<tr class="row8">
<td class="col0">7</td><td class="col1">7</td><td class="col2">07</td><td class="col3">BEL</td><td class="col4">bell</td>
</tr>
<tr class="row9">
<td class="col0">8</td><td class="col1">10</td><td class="col2">08</td><td class="col3">BS</td><td class="col4">backspace</td>
</tr>
<tr class="row10">
<td class="col0">9</td><td class="col1">11</td><td class="col2">09</td><td class="col3">HT</td><td class="col4">horizontal tab</td>
</tr>
<tr class="row11">
<td class="col0">10</td><td class="col1">12</td><td class="col2">0A</td><td class="col3">LF</td><td class="col4">line feed</td>
</tr>
<tr class="row12">
<td class="col0">11</td><td class="col1">13</td><td class="col2">0B</td><td class="col3">VT</td><td class="col4">vertical tab</td>
</tr>
<tr class="row13">
<td class="col0">12</td><td class="col1">14</td><td class="col2">0C</td><td class="col3">FF</td><td class="col4">form feed</td>
</tr>
<tr class="row14">
<td class="col0">13</td><td class="col1">15</td><td class="col2">0D</td><td class="col3">CR</td><td class="col4">carriage return</td>
</tr>
<tr class="row15">
<td class="col0">14</td><td class="col1">16</td><td class="col2">0E</td><td class="col3">SO</td><td class="col4">shift out</td>
</tr>
<tr class="row16">
<td class="col0">15</td><td class="col1">17</td><td class="col2">0F</td><td class="col3">SI</td><td class="col4">shift in</td>
</tr>
<tr class="row17">
<td class="col0">16</td><td class="col1">20</td><td class="col2">10</td><td class="col3">DLE</td><td class="col4">data link escape</td>
</tr>
<tr class="row18">
<td class="col0">17</td><td class="col1">21</td><td class="col2">11</td><td class="col3">DC1</td><td class="col4">no assignment, but usually XON</td>
</tr>
<tr class="row19">
<td class="col0">18</td><td class="col1">22</td><td class="col2">12</td><td class="col3" colspan="2">DC2</td>
</tr>
<tr class="row20">
<td class="col0">19</td><td class="col1">23</td><td class="col2">13</td><td class="col3">DC3</td><td class="col4">no assignment, but usually XOFF</td>
</tr>
<tr class="row21">
<td class="col0">20</td><td class="col1">24</td><td class="col2">14</td><td class="col3" colspan="2">DC4</td>
</tr>
<tr class="row22">
<td class="col0">21</td><td class="col1">25</td><td class="col2">15</td><td class="col3">NAK</td><td class="col4">negative acknowledge</td>
</tr>
<tr class="row23">
<td class="col0">22</td><td class="col1">26</td><td class="col2">16</td><td class="col3">SYN</td><td class="col4">synchronous idle</td>
</tr>
<tr class="row24">
<td class="col0">23</td><td class="col1">27</td><td class="col2">17</td><td class="col3">ETB</td><td class="col4">end of transmission block</td>
</tr>
<tr class="row25">
<td class="col0">24</td><td class="col1">30</td><td class="col2">18</td><td class="col3">CAN</td><td class="col4">cancel</td>
</tr>
<tr class="row26">
<td class="col0">25</td><td class="col1">31</td><td class="col2">19</td><td class="col3">EM</td><td class="col4">end of medium</td>
</tr>
<tr class="row27">
<td class="col0">26</td><td class="col1">32</td><td class="col2">1A</td><td class="col3">SUB</td><td class="col4">substitute</td>
</tr>
<tr class="row28">
<td class="col0">27</td><td class="col1">33</td><td class="col2">1B</td><td class="col3">ESC</td><td class="col4">escape</td>
</tr>
<tr class="row29">
<td class="col0">28</td><td class="col1">34</td><td class="col2">1C</td><td class="col3">FS</td><td class="col4">file separator</td>
</tr>
<tr class="row30">
<td class="col0">29</td><td class="col1">35</td><td class="col2">1D</td><td class="col3">GS</td><td class="col4">group separator</td>
</tr>
<tr class="row31">
<td class="col0">30</td><td class="col1">36</td><td class="col2">1E</td><td class="col3">RS</td><td class="col4">record separator</td>
</tr>
<tr class="row32">
<td class="col0">31</td><td class="col1">37</td><td class="col2">1F</td><td class="col3">US</td><td class="col4">unit separator</td>
</tr>
<tr class="row33">
<td class="col0">32</td><td class="col1">40</td><td class="col2">20</td><td class="col3">SPC</td><td class="col4">space</td>
</tr>
<tr class="row34">
<td class="col0">33</td><td class="col1">41</td><td class="col2">21</td><td class="col3" colspan="2">!</td>
</tr>
<tr class="row35">
<td class="col0">34</td><td class="col1">42</td><td class="col2">22</td><td class="col3" colspan="2">“</td>
</tr>
<tr class="row36">
<td class="col0">35</td><td class="col1">43</td><td class="col2">23</td><td class="col3" colspan="2">#</td>
</tr>
<tr class="row37">
<td class="col0">36</td><td class="col1">44</td><td class="col2">24</td><td class="col3" colspan="2">$</td>
</tr>
<tr class="row38">
<td class="col0">37</td><td class="col1">45</td><td class="col2">25</td><td class="col3" colspan="2">%</td>
</tr>
<tr class="row39">
<td class="col0">38</td><td class="col1">46</td><td class="col2">26</td><td class="col3" colspan="2">&</td>
</tr>
<tr class="row40">
<td class="col0">39</td><td class="col1">47</td><td class="col2">27</td><td class="col3" colspan="2">'</td>
</tr>
<tr class="row41">
<td class="col0">40</td><td class="col1">50</td><td class="col2">28</td><td class="col3" colspan="2">(</td>
</tr>
<tr class="row42">
<td class="col0">41</td><td class="col1">51</td><td class="col2">29</td><td class="col3" colspan="2">)</td>
</tr>
<tr class="row43">
<td class="col0">42</td><td class="col1">52</td><td class="col2">2A</td><td class="col3" colspan="2">*</td>
</tr>
<tr class="row44">
<td class="col0">43</td><td class="col1">53</td><td class="col2">2B</td><td class="col3" colspan="2">+</td>
</tr>
<tr class="row45">
<td class="col0">44</td><td class="col1">54</td><td class="col2">2C</td><td class="col3" colspan="2">,</td>
</tr>
<tr class="row46">
<td class="col0">45</td><td class="col1">55</td><td class="col2">2D</td><td class="col3" colspan="2">-</td>
</tr>
<tr class="row47">
<td class="col0">46</td><td class="col1">56</td><td class="col2">2E</td><td class="col3" colspan="2">.</td>
</tr>
<tr class="row48">
<td class="col0">47</td><td class="col1">57</td><td class="col2">2F</td><td class="col3" colspan="2">/</td>
</tr>
<tr class="row49">
<td class="col0">48</td><td class="col1">60</td><td class="col2">30</td><td class="col3" colspan="2">0</td>
</tr>
<tr class="row50">
<td class="col0">49</td><td class="col1">61</td><td class="col2">31</td><td class="col3" colspan="2">1</td>
</tr>
<tr class="row51">
<td class="col0">50</td><td class="col1">62</td><td class="col2">32</td><td class="col3" colspan="2">2</td>
</tr>
<tr class="row52">
<td class="col0">51</td><td class="col1">63</td><td class="col2">33</td><td class="col3" colspan="2">3</td>
</tr>
<tr class="row53">
<td class="col0">52</td><td class="col1">64</td><td class="col2">34</td><td class="col3" colspan="2">4</td>
</tr>
<tr class="row54">
<td class="col0">53</td><td class="col1">65</td><td class="col2">35</td><td class="col3" colspan="2">5</td>
</tr>
<tr class="row55">
<td class="col0">54</td><td class="col1">66</td><td class="col2">36</td><td class="col3" colspan="2">6</td>
</tr>
<tr class="row56">
<td class="col0">55</td><td class="col1">67</td><td class="col2">37</td><td class="col3" colspan="2">7</td>
</tr>
<tr class="row57">
<td class="col0">56</td><td class="col1">70</td><td class="col2">38</td><td class="col3" colspan="2">8</td>
</tr>
<tr class="row58">
<td class="col0">57</td><td class="col1">71</td><td class="col2">39</td><td class="col3" colspan="2">9</td>
</tr>
<tr class="row59">
<td class="col0">58</td><td class="col1">72</td><td class="col2">3A</td><td class="col3" colspan="2">:</td>
</tr>
<tr class="row60">
<td class="col0">59</td><td class="col1">73</td><td class="col2">3B</td><td class="col3" colspan="2">;</td>
</tr>
<tr class="row61">
<td class="col0">60</td><td class="col1">74</td><td class="col2">3C</td><td class="col3" colspan="2"><</td>
</tr>
<tr class="row62">
<td class="col0">61</td><td class="col1">75</td><td class="col2">3D</td><td class="col3" colspan="2">=</td>
</tr>
<tr class="row63">
<td class="col0">62</td><td class="col1">76</td><td class="col2">3E</td><td class="col3" colspan="2">></td>
</tr>
<tr class="row64">
<td class="col0">63</td><td class="col1">77</td><td class="col2">3F</td><td class="col3" colspan="2">?</td>
</tr>
<tr class="row65">
<td class="col0">64</td><td class="col1">100</td><td class="col2">40</td><td class="col3" colspan="2">@</td>
</tr>
<tr class="row66">
<td class="col0">65</td><td class="col1">101</td><td class="col2">41</td><td class="col3" colspan="2">A</td>
</tr>
<tr class="row67">
<td class="col0">66</td><td class="col1">102</td><td class="col2">42</td><td class="col3" colspan="2">B</td>
</tr>
<tr class="row68">
<td class="col0">67</td><td class="col1">103</td><td class="col2">43</td><td class="col3" colspan="2">C</td>
</tr>
<tr class="row69">
<td class="col0">68</td><td class="col1">104</td><td class="col2">44</td><td class="col3" colspan="2">D</td>
</tr>
<tr class="row70">
<td class="col0">69</td><td class="col1">105</td><td class="col2">45</td><td class="col3" colspan="2">E</td>
</tr>
<tr class="row71">
<td class="col0">70</td><td class="col1">106</td><td class="col2">46</td><td class="col3" colspan="2">F</td>
</tr>
<tr class="row72">
<td class="col0">71</td><td class="col1">107</td><td class="col2">47</td><td class="col3" colspan="2">G</td>
</tr>
<tr class="row73">
<td class="col0">72</td><td class="col1">110</td><td class="col2">48</td><td class="col3" colspan="2">H</td>
</tr>
<tr class="row74">
<td class="col0">73</td><td class="col1">111</td><td class="col2">49</td><td class="col3" colspan="2">I</td>
</tr>
<tr class="row75">
<td class="col0">74</td><td class="col1">112</td><td class="col2">4A</td><td class="col3" colspan="2">J</td>
</tr>
<tr class="row76">
<td class="col0">75</td><td class="col1">113</td><td class="col2">4B</td><td class="col3" colspan="2">K</td>
</tr>
<tr class="row77">
<td class="col0">76</td><td class="col1">114</td><td class="col2">4C</td><td class="col3" colspan="2">L</td>
</tr>
<tr class="row78">
<td class="col0">77</td><td class="col1">115</td><td class="col2">4D</td><td class="col3" colspan="2">M</td>
</tr>
<tr class="row79">
<td class="col0">78</td><td class="col1">116</td><td class="col2">4E</td><td class="col3" colspan="2">N</td>
</tr>
<tr class="row80">
<td class="col0">79</td><td class="col1">117</td><td class="col2">4F</td><td class="col3" colspan="2">O</td>
</tr>
<tr class="row81">
<td class="col0">80</td><td class="col1">120</td><td class="col2">50</td><td class="col3" colspan="2">P</td>
</tr>
<tr class="row82">
<td class="col0">81</td><td class="col1">121</td><td class="col2">51</td><td class="col3" colspan="2">Q</td>
</tr>
<tr class="row83">
<td class="col0">82</td><td class="col1">122</td><td class="col2">52</td><td class="col3" colspan="2">R</td>
</tr>
<tr class="row84">
<td class="col0">83</td><td class="col1">123</td><td class="col2">53</td><td class="col3" colspan="2">S</td>
</tr>
<tr class="row85">
<td class="col0">84</td><td class="col1">124</td><td class="col2">54</td><td class="col3" colspan="2">T</td>
</tr>
<tr class="row86">
<td class="col0">85</td><td class="col1">125</td><td class="col2">55</td><td class="col3" colspan="2">U</td>
</tr>
<tr class="row87">
<td class="col0">86</td><td class="col1">126</td><td class="col2">56</td><td class="col3" colspan="2">V</td>
</tr>
<tr class="row88">
<td class="col0">87</td><td class="col1">127</td><td class="col2">57</td><td class="col3" colspan="2">W</td>
</tr>
<tr class="row89">
<td class="col0">88</td><td class="col1">130</td><td class="col2">58</td><td class="col3" colspan="2">X</td>
</tr>
<tr class="row90">
<td class="col0">89</td><td class="col1">131</td><td class="col2">59</td><td class="col3" colspan="2">Y</td>
</tr>
<tr class="row91">
<td class="col0">90</td><td class="col1">132</td><td class="col2">5A</td><td class="col3" colspan="2">Z</td>
</tr>
<tr class="row92">
<td class="col0">91</td><td class="col1">133</td><td class="col2">5B</td><td class="col3" colspan="2">[</td>
</tr>
<tr class="row93">
<td class="col0">92</td><td class="col1">134</td><td class="col2">5C</td><td class="col3" colspan="2">\</td>
</tr>
<tr class="row94">
<td class="col0">93</td><td class="col1">135</td><td class="col2">5D</td><td class="col3" colspan="2">]</td>
</tr>
<tr class="row95">
<td class="col0">94</td><td class="col1">136</td><td class="col2">5E</td><td class="col3" colspan="2">^</td>
</tr>
<tr class="row96">
<td class="col0">95</td><td class="col1">137</td><td class="col2">5F</td><td class="col3" colspan="2">_</td>
</tr>
<tr class="row97">
<td class="col0">96</td><td class="col1">140</td><td class="col2">60</td><td class="col3" colspan="2">`</td>
</tr>
<tr class="row98">
<td class="col0">97</td><td class="col1">141</td><td class="col2">61</td><td class="col3" colspan="2">a</td>
</tr>
<tr class="row99">
<td class="col0">98</td><td class="col1">142</td><td class="col2">62</td><td class="col3" colspan="2">b</td>
</tr>
<tr class="row100">
<td class="col0">99</td><td class="col1">143</td><td class="col2">63</td><td class="col3" colspan="2">c</td>
</tr>
<tr class="row101">
<td class="col0">100</td><td class="col1">144</td><td class="col2">64</td><td class="col3" colspan="2">d</td>
</tr>
<tr class="row102">
<td class="col0">101</td><td class="col1">145</td><td class="col2">65</td><td class="col3" colspan="2">e</td>
</tr>
<tr class="row103">
<td class="col0">102</td><td class="col1">146</td><td class="col2">66</td><td class="col3" colspan="2">f</td>
</tr>
<tr class="row104">
<td class="col0">103</td><td class="col1">147</td><td class="col2">67</td><td class="col3" colspan="2">g</td>
</tr>
<tr class="row105">
<td class="col0">104</td><td class="col1">150</td><td class="col2">68</td><td class="col3" colspan="2">h</td>
</tr>
<tr class="row106">
<td class="col0">105</td><td class="col1">151</td><td class="col2">69</td><td class="col3" colspan="2">i</td>
</tr>
<tr class="row107">
<td class="col0">106</td><td class="col1">152</td><td class="col2">6A</td><td class="col3" colspan="2">j</td>
</tr>
<tr class="row108">
<td class="col0">107</td><td class="col1">153</td><td class="col2">6B</td><td class="col3" colspan="2">k</td>
</tr>
<tr class="row109">
<td class="col0">108</td><td class="col1">154</td><td class="col2">6C</td><td class="col3" colspan="2">l</td>
</tr>
<tr class="row110">
<td class="col0">109</td><td class="col1">155</td><td class="col2">6D</td><td class="col3" colspan="2">m</td>
</tr>
<tr class="row111">
<td class="col0">110</td><td class="col1">156</td><td class="col2">6E</td><td class="col3" colspan="2">n</td>
</tr>
<tr class="row112">
<td class="col0">111</td><td class="col1">157</td><td class="col2">6F</td><td class="col3" colspan="2">o</td>
</tr>
<tr class="row113">
<td class="col0">112</td><td class="col1">160</td><td class="col2">70</td><td class="col3" colspan="2">p</td>
</tr>
<tr class="row114">
<td class="col0">113</td><td class="col1">161</td><td class="col2">71</td><td class="col3" colspan="2">q</td>
</tr>
<tr class="row115">
<td class="col0">114</td><td class="col1">162</td><td class="col2">72</td><td class="col3" colspan="2">r</td>
</tr>
<tr class="row116">
<td class="col0">115</td><td class="col1">163</td><td class="col2">73</td><td class="col3" colspan="2">s</td>
</tr>
<tr class="row117">
<td class="col0">116</td><td class="col1">164</td><td class="col2">74</td><td class="col3" colspan="2">t</td>
</tr>
<tr class="row118">
<td class="col0">117</td><td class="col1">165</td><td class="col2">75</td><td class="col3" colspan="2">u</td>
</tr>
<tr class="row119">
<td class="col0">118</td><td class="col1">166</td><td class="col2">76</td><td class="col3" colspan="2">v</td>
</tr>
<tr class="row120">
<td class="col0">119</td><td class="col1">167</td><td class="col2">77</td><td class="col3" colspan="2">w</td>
</tr>
<tr class="row121">
<td class="col0">120</td><td class="col1">170</td><td class="col2">78</td><td class="col3" colspan="2">x</td>
</tr>
<tr class="row122">
<td class="col0">121</td><td class="col1">171</td><td class="col2">79</td><td class="col3" colspan="2">y</td>
</tr>
<tr class="row123">
<td class="col0">122</td><td class="col1">172</td><td class="col2">7A</td><td class="col3" colspan="2">z</td>
</tr>
<tr class="row124">
<td class="col0">123</td><td class="col1">173</td><td class="col2">7B</td><td class="col3" colspan="2">{</td>
</tr>
<tr class="row125">
<td class="col0">124</td><td class="col1">174</td><td class="col2">7C</td><td class="col3" colspan="2">|</td>
</tr>
<tr class="row126">
<td class="col0">125</td><td class="col1">175</td><td class="col2">7D</td><td class="col3" colspan="2">}</td>
</tr>
<tr class="row127">
<td class="col0">126</td><td class="col1">176</td><td class="col2">7E</td><td class="col3" colspan="2">~</td>
</tr>
<tr class="row128">
<td class="col0">127</td><td class="col1">177</td><td class="col2">7F</td><td class="col3">DEL</td><td class="col4">delete</td>
</tr>
</table>
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