ASCII码
C语言中,字符型存储的编码是ASCII码,ASCII码是一种用于显示现代英语字符的编码。ASCII码使用7位二进制数表示一个字符,共有128个字符。ASCII码的取值范围是\([0,127]\)。ASCII码的具体内容如下:
| ASCII码 | 字符 | ASCII码 | 字符 | ASCII码 | 字符 | ASCII码 | 字符 |
|---|---|---|---|---|---|---|---|
| \(0\) | [NUL] |
\(32\) | |
\(64\) | @ |
\(96\) | ` |
| \(1\) | [SOH] |
\(33\) | ! |
\(65\) | A |
\(97\) | a |
| \(2\) | [STX] |
\(34\) | " |
\(66\) | B |
\(98\) | b |
| \(3\) | [ETX] |
\(35\) | # |
\(67\) | C |
\(99\) | c |
| \(4\) | [EOT] |
\(36\) | $ |
\(68\) | D |
\(100\) | d |
| \(5\) | [ENQ] |
\(37\) | % |
\(69\) | E |
\(101\) | e |
| \(6\) | [ACK] |
\(38\) | & |
\(70\) | F |
\(102\) | f |
| \(7\) | [BEL] |
\(39\) | ' |
\(71\) | G |
\(103\) | g |
| \(8\) | [BS] |
\(40\) | ( |
\(72\) | H |
\(104\) | h |
| \(9\) | [HT] |
\(41\) | ) |
\(73\) | I |
\(105\) | i |
| \(10\) | [LF] |
\(42\) | * |
\(74\) | J |
\(106\) | j |
| \(11\) | [VT] |
\(43\) | + |
\(75\) | K |
\(107\) | k |
| \(12\) | [FF] |
\(44\) | , |
\(76\) | L |
\(108\) | l |
| \(13\) | [CR] |
\(45\) | - |
\(77\) | M |
\(109\) | m |
| \(14\) | [SO] |
\(46\) | . |
\(78\) | N |
\(110\) | n |
| \(15\) | [SI] |
\(47\) | / |
\(79\) | O |
\(111\) | o |
| \(16\) | [DLE] |
\(48\) | 0 |
\(80\) | P |
\(112\) | p |
| \(17\) | [DC1] |
\(49\) | 1 |
\(81\) | Q |
\(113\) | q |
| \(18\) | [DC2] |
\(50\) | 2 |
\(82\) | R |
\(114\) | r |
| \(19\) | [DC3] |
\(51\) | 3 |
\(83\) | S |
\(115\) | s |
| \(20\) | [DC4] |
\(52\) | 4 |
\(84\) | T |
\(116\) | t |
| \(21\) | [NAK] |
\(53\) | 5 |
\(85\) | U |
\(117\) | u |
| \(22\) | [SYN] |
\(54\) | 6 |
\(86\) | V |
\(118\) | v |
| \(23\) | [ETB] |
\(55\) | 7 |
\(87\) | W |
\(119\) | w |
| \(24\) | [CAN] |
\(56\) | 8 |
\(88\) | X |
\(120\) | x |
| \(25\) | [EM] |
\(57\) | 9 |
\(89\) | Y |
\(121\) | y |
| \(26\) | [SUB] |
\(58\) | : |
\(90\) | Z |
\(122\) | z |
| \(27\) | [ESC] |
\(59\) | ; |
\(91\) | [ |
\(123\) | { |
| \(28\) | [FS] |
\(60\) | < |
\(92\) | \ |
\(124\) | | |
| \(29\) | [GS] |
\(61\) | = |
\(93\) | ] |
\(125\) | } |
| \(30\) | [RS] |
\(62\) | > |
\(94\) | ^ |
\(126\) | ~ |
| \(31\) | [US] |
\(63\) | ? |
\(95\) | _ |
\(127\) | [DEL] |
ASCII码的具体内容可以在这里查看。

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