The following table identifies the internal hexadecimal representation of
operating system control sequences used by the ILE C/C++ compiler and
library.
Table 4. Internal Hexadecimal Representation
Print representation | Internal representation |
---|---|
NUL (null) | 0x00 |
SOH (start of heading) | 0x01 |
STX (start of text) | 0x02 |
ETX (end of text) | 0x03 |
SEL (select) | 0x04 |
HT (horizontal tab) | 0x05 |
RNL (required new line) | 0x06 |
DEL (delete) | 0x07 |
GE (graphic escape) | 0x08 |
SPS (superscript) | 0x09 |
RPT (repeat) | 0x0a |
VT (vertical tab) | 0x0b |
FF (form feed) | 0x0c |
CR (carriage return) | 0x0d |
SO (shift out) | 0x0e |
SI (shift in) | 0x0f |
DLE (data link escape) | 0x10 |
DC1 (device control 1) | 0x11 |
DC2 (device control 2) | 0x12 |
DC3 (device control 3) | 0x13 |
RES/ENP (restore or enable presentation) | 0x14 |
NL (new line) | 0x15 |
BS (backspace) | 0x16 |
POC (program-operator communication) | 0x17 |
CAN (cancel) | 0x18 |
EM (end of medium) | 0x19 |
UBS (unit backspace) | 0x1a |
CU1 (customer use 1) | 0x1b |
IFS (interchange file separator) | 0x1c |
IGS (interchange group separator) | 0x1d |
IRS (interchange record separator) | 0x1e |
IUS/ITB (interchange unit separator or intermediate transmission block) | 0x1f |
DS (digit select) | 0x20 |
SOS (start of significance) | 0x21 |
FS (field separator) | 0x22 |
WUS (word underscore) | 0x23 |
BYP/INP (bypass or inhibit presentation) | 0x24 |
LF (line feed) | 0x25 |
ETB (end of transmission block) | 0x26 |
ESC (escape) | 0x27 |
SA (set attributes) | 0x28 |
SM/SW (set mode or switch) | 0x2a |
CSP (control sequence prefix) | 0x2b |
MFA (modify field attribute) | 0x2c |
ENQ (enquiry) | 0x2d |
ACK (acknowledge) | 0x2e |
BEL (bell) | 0x2f |
SYN (synchronous idle) | 0x32 |
IR (index return) | 0x33 |
PP (presentation position) | 0x34 |
TRN | 0x35 |
NBS (numeric backspace) | 0x36 |
EOT (end of transmission) | 0x37 |
SBS (subscript) | 0x38 |
IT (indent tab) | 0x39 |
RFF (required form feed) | 0x3a |
CU3 (customer use 3) | 0x3b |
DC4 (device control 4) | 0x3c |
NAK (negative acknowledge) | 0x3d |
SUB (substitute) | 0x3f |
(blank character) | 0x40 |
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