#define CHR_NULL 0
#define CHR_SOH 1
#define CHR_STX 2
#define CHR_ETX 3
#define CHR_EOT 4
#define CHR_ENQ 5
#define CHR_ACK 6
#define CHR_BELL 7
#define CHR_BACKSPACE 8
#define CHR_TAB 9
#define CHR_LF 10
#define CHR_VT 11
#define CHR_FF 12
#define CHR_CR 13
#define CHR_SO 14
#define CHR_SI 15
#define CHR_DLE 16
#define CHR_DC1 17
#define CHR_DC2 18
#define CHR_DC3 19
#define CHR_DC4 20
#define CHR_NAK 21
#define CHR_SYN 22
#define CHR_ETB 23
#define CHR_CAN 24
#define CHR_EM 25
#define CHR_SUB 26
#define CHR_ESC 27
#define CHR_FS 28
#define CHR_GS 29
#define CHR_RS 30
#define CHR_US 31
#define CHR_SPACE 32
#define CHR_EXCLAMATION_MARK 33
#define CHR_DOUBLE_QUOTE 34
#define CHR_HASH 35
#define CHR_DOLLAR 36
#define CHR_PERCENT 37
#define CHR_AMPERSAND 38
#define CHR_SINGLE_QUOTE 39
#define CHR_OPEN_PAREN 40
#define CHR_CLOSE_PAREN 41
#define CHR_TIMES 42
#define CHR_PLUS 43
#define CHR_COMMA 44
#define CHR_DASH 45
#define CHR_DOT 46
#define CHR_SLASH 47
#define CHR_0 48
#define CHR_1 49
#define CHR_2 50
#define CHR_3 51
#define CHR_4 52
#define CHR_5 53
#define CHR_6 54
#define CHR_7 55
#define CHR_8 56
#define CHR_9 57
#define CHR_COLON 58
#define CHR_SEMICOLON 59
#define CHR_OPEN_ANGLE_BRACKET 60
#define CHR_EQUAL 61
#define CHR_CLOSE_ANGLE_BRACKET 62
#define CHR_QUESTION_MARK 63
#define CHR_AT 64
#define CHR_A 65
#define CHR_B 66
#define CHR_C 67
#define CHR_D 68
#define CHR_E 69
#define CHR_F 70
#define CHR_G 71
#define CHR_H 72
#define CHR_I 73
#define CHR_J 74
#define CHR_K 75
#define CHR_L 76
#define CHR_M 77
#define CHR_N 78
#define CHR_O 79
#define CHR_P 80
#define CHR_Q 81
#define CHR_R 82
#define CHR_S 83
#define CHR_T 84
#define CHR_U 85
#define CHR_V 86
#define CHR_W 87
#define CHR_X 88
#define CHR_Y 89
#define CHR_Z 90
#define CHR_OPEN_SQUARE_BRACKET 91
#define CHR_BACKSLASH 92
#define CHR_CLOSE_SQUARE_BRACKET 93
#define CHR_CARET 94
#define CHR_UNDERSCORE 95
#define CHR_BACKTICK 96
#define CHR_a 97
#define CHR_b 98
#define CHR_c 99
#define CHR_d 100
#define CHR_e 101
#define CHR_f 102
#define CHR_g 103
#define CHR_h 104
#define CHR_i 105
#define CHR_j 106
#define CHR_k 107
#define CHR_l 108
#define CHR_m 109
#define CHR_n 110
#define CHR_o 111
#define CHR_p 112
#define CHR_q 113
#define CHR_r 114
#define CHR_s 115
#define CHR_t 116
#define CHR_u 117
#define CHR_v 118
#define CHR_w 119
#define CHR_x 120
#define CHR_y 121
#define CHR_z 122
#define CHR_OPEN_CURLY_BRACKET 123
#define CHR_PIPE 124
#define CHR_CLOSE_CURLY_BRACKET 125
#define CHR_TILDE 126
#define CHR_DEL 127