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[Dev] complete CPP language Ascii Charts.
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‎src/components/decl-doc/Decl.astro‎

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.decl {
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background-color: var(--sl-color-gray-6);
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border-bottom: 1px solid var(--sl-color-gray-5);
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overflow: scroll;
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overflow: auto;
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margin: 0;
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padding: 0 1em;
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}

‎src/content/docs/cpp/language/ascii.mdx‎

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---
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title: ASCII Chart
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cppdoc:
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keys: ["cpp.lang.ascii"]
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---
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import { Desc, DescList, DocLink } from '@components/index';
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import { Decl, DeclDoc } from "@components/decl-doc";
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The following chart contains all 128 ASCII decimal <strong>(dec)</strong>, octal <strong>(oct)</strong>, hexadecimal <strong>(hex)</strong> and character <strong>(ch)</strong> codes.
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|dec|oct|hex|ch| |dec|oct|hex|ch| |dec|oct|hex|ch| |
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|:--|:--|:--|:--|:--|:--|:--|:--|:--|:--|:--|:--|:--|:--|:--|
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| 0 | 0 | 00 | NUL (null) | 32 | 40 | 20 | (space) | 64 | 100 | 40 | @ | 96 | 140 | 60 | ` |
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| 1 | 1 | 01 | SOH (start of header) | 33 | 41 | 21 | ! | 65 | 101 | 41 | A | 97 | 141 | 61 | a |
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| 2 | 2 | 02 | STX (start of text) | 34 | 42 | 22 | " | 66 | 102 | 42 | B | 98 | 142 | 62 | b |
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| 3 | 3 | 03 | ETX (end of text) | 35 | 43 | 23 | # | 67 | 103 | 43 | C | 99 | 143 | 63 | c |
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| 4 | 4 | 04 | EOT (end of transmission) | 36 | 44 | 24 | $ | 68 | 104 | 44 | D | 100 | 144 | 64 | d |
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| 5 | 5 | 05 | ENQ (enquiry) | 37 | 45 | 25 | % | 69 | 105 | 45 | E | 101 | 145 | 65 | e |
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| 6 | 6 | 06 | ACK (acknowledge) | 38 | 46 | 26 | & | 70 | 106 | 46 | F | 102 | 146 | 66 | f |
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| 7 | 7 | 07 | BEL (bell) | 39 | 47 | 27 | ' | 71 | 107 | 47 | G | 103 | 147 | 67 | g |
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| 8 | 10 | 08 | BS (backspace) | 40 | 50 | 28 | ( | 72 | 110 | 48 | H | 104 | 150 | 68 | h |
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| 9 | 11 | 09 | HT (horizontal tab) | 41 | 51 | 29 | ) | 73 | 111 | 49 | I | 105 | 151 | 69 | i |
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| 10 | 12 | 0a | LF (line feed - new line) | 42 | 52 | 2a | * | 74 | 112 | 4a | J | 106 | 152 | 6a | j |
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| 11 | 13 | 0b | VT (vertical tab) | 43 | 53 | 2b | + | 75 | 113 | 4b | K | 107 | 153 | 6b | k |
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| 12 | 14 | 0c | FF (form feed - new page) | 44 | 54 | 2c | , | 76 | 114 | 4c | L | 108 | 154 | 6c | l |
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| 13 | 15 | 0d | CR (carriage return) | 45 | 55 | 2d | - | 77 | 115 | 4d | M | 109 | 155 | 6d | m |
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| 14 | 16 | 0e | SO (shift out) | 46 | 56 | 2e | . | 78 | 116 | 4e | N | 110 | 156 | 6e | n |
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| 15 | 17 | 0f | SI (shift in) | 47 | 57 | 2f | / | 79 | 117 | 4f | O | 111 | 157 | 6f | o |
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| 16 | 20 | 10 | DLE (data link escape) | 48 | 60 | 30 | 0 | 80 | 120 | 50 | P | 112 | 160 | 70 | p |
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| 17 | 21 | 11 | DC1 (device control 1) | 49 | 61 | 31 | 1 | 81 | 121 | 51 | Q | 113 | 161 | 71 | q |
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| 18 | 22 | 12 | DC2 (device control 2) | 50 | 62 | 32 | 2 | 82 | 122 | 52 | R | 114 | 162 | 72 | r |
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| 19 | 23 | 13 | DC3 (device control 3) | 51 | 63 | 33 | 3 | 83 | 123 | 53 | S | 115 | 163 | 73 | s |
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| 20 | 24 | 14 | DC4 (device control 4) | 52 | 64 | 34 | 4 | 84 | 124 | 54 | T | 116 | 164 | 74 | t |
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| 21 | 25 | 15 | NAK (negative acknowledge) | 53 | 65 | 35 | 5 | 85 | 125 | 55 | U | 117 | 165 | 75 | u |
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| 22 | 26 | 16 | SYN (synchronous idle) | 54 | 66 | 36 | 6 | 86 | 126 | 56 | V | 118 | 166 | 76 | v |
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| 23 | 27 | 17 | ETB (end of transmission block) | 55 | 67 | 37 | 7 | 87 | 127 | 57 | W | 119 | 167 | 77 | w |
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| 24 | 30 | 18 | CAN (cancel) | 56 | 70 | 38 | 8 | 88 | 130 | 58 | X | 120 | 170 | 78 | x |
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| 25 | 31 | 19 | EM (end of medium) | 57 | 71 | 39 | 9 | 89 | 131 | 59 | Y | 121 | 171 | 79 | y |
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| 26 | 32 | 1a | SUB (substitute) | 58 | 72 | 3a | : | 90 | 132 | 5a | Z | 122 | 172 | 7a | z |
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| 27 | 33 | 1b | ESC (escape) | 59 | 73 | 3b | ; | 91 | 133 | 5b | [ | 123 | 173 | 7b | \{ |
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| 28 | 34 | 1c | FS (file separator) | 60 | 74 | 3c | \< | 92 | 134 | 5c | \\ | 124 | 174 | 7c | | |
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| 29 | 35 | 1d | GS (group separator) | 61 | 75 | 3d | = | 93 | 135 | 5d | ] | 125 | 175 | 7d | \} |
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| 30 | 36 | 1e | RS (record separator) | 62 | 76 | 3e | > | 94 | 136 | 5e | ^ | 126 | 176 | 7e | ~ |
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| 31 | 37 | 1f | US (unit separator) | 63 | 77 | 3f | ? | 95 | 137 | 5f | _ | 127 | 177 | 7f | DEL (delete) |
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Note: in Unicode, the ASCII character block is known as [U+0000..U+007F Basic Latin](https://www.unicode.org/charts/PDF/U0000.pdf).
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## Example
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```cpp
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#include <iostream>
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int main()
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{
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std::cout << "Printable ASCII [32..126]:\n";
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for (char c{' '}; c <= '~'; ++c)
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std::cout << c << ((c + 1) % 32 ? ' ' : '\n');
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std::cout << '\n';
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}
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```
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Possible output:
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```cpp
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Printable ASCII [32..126]:
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! " # $ % & ' ( ) * + , - . / 0 1 2 3 4 5 6 7 8 9 : ; < = > ?
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@ 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 [ \ ] ^ _
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` 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 { | } ~
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```
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## See also
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<DescList>
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<Desc>
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<DocLink slot="item" src="/c/language/ascii.html"> C documentation</DocLink> for <span> **ASCII Chart** </span>
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</Desc>
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</DescList>

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