1 /*****************************************************************************
2 	DChars.h
3 
4 	This header file defines identifiers for control characters.
5 *****************************************************************************/
6 
7 #define CTRL_A	'\001'		/* SOH - start of heading */
8 #define CTRL_B	'\002'		/* STX - start of text */
9 #define CTRL_C	'\003'		/* ETX - end of text */
10 #define CTRL_D	'\004'		/* EOT - end of transmission */
11 #define CTRL_E	'\005'		/* ENQ - enquiry */
12 #define CTRL_F	'\006'		/* ACK - acknowledge */
13 #define CTRL_G	'\007'		/* BEL - bell */
14 #define BAKSPC	'\010'		/* BS - backspace		control H */
15 #define TABCHR	'\011'		/* HT - horizontal tab		control I */
16 #define LINEFD	'\012'		/* LF - line feed		control J */
17 #define VRTTAB	'\013'		/* VT - vertical tab		control K */
18 #define FORMFD	'\014'		/* FF - form feed		control L */
19 #define CRETRN	'\015'		/* CR - carriage return		control M */
20 #define CTRL_N	'\016'		/* SO - shift out */
21 #define CTRL_O	'\017'		/* SI - shift in */
22 #define CTRL_P	'\020'		/* DLE - data link escape */
23 #define CTRL_Q	'\021'		/* DC1 - device control 1 */
24 #define CTRL_R	'\022'		/* DC2 - device control 2 */
25 #define CTRL_S	'\023'		/* DC3 - device control 3 */
26 #define CTRL_T	'\024'		/* DC4 - device control 4 */
27 #define CTRL_U	'\025'		/* NAK - negative acknowledge */
28 #define CTRL_V	'\026'		/* SYN - synchronous idle */
29 #define CTRL_W	'\027'		/* ETB - end of transmission block */
30 #define CTRL_X	'\030'		/* CAN - cancel */
31 #define CTRL_Y	'\031'		/* EM - end of medium */
32 #define CTRL_Z	'\032'		/* SUB - substitute */
33 #define ESCAPE	'\033'		/* ESC - escape			control [ */
34 #define FSCHAR	'\034'  	/* FS - file separator		control \ */
35 #define GSCHAR	'\035'  	/* GS - group separator		control ] */
36 #define RSCHAR	'\036'  	/* RS - record separator	control ^ */
37 #define USCHAR	'\037'  	/* US - unit separator		control _ */
38 #define SPACE	'\040'		/* SP - space */
39 #define DELETE	'\177'		/* DEL - delete */
40