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37 ascii-to-char
"control" characters. Thus (ascii-code "soh") and (ascii-code #\J,)
return 1. (ascii-code #\c-A) returns #0101, not 1; there is no mapping between
Symbolics character set control characters and ASCII control characters.
Valid ASCII special character names are listed below. All numbers are in
octal.
NUL 000
SOH 001
STX 002
ETX 003
EOT 004
ENQ 005
ACK 006
BEL 007
BS 010
TAB 011
HT 011
LF 012
NL 012
VT 013
FF 014
CR 015
SO 016
SI 017
DLE 020
DC1 021
DC2 022
DC3 023
DC4 024
NAK 025
SYN 026
ETB 027
CAN 030
EM 031
SUB 032
ESC 033
ALT 033
FS 034
OS 035
RS 036
US 037
SP 040
DEL 177
I
ascii-to-char code Function
Converts code (an ASCII code) to the corresponding character. The caller
must ignore LF after CR if desired. See the section "ASCII String
Functions" in Symbolics Common Lisp: Language Concepts.
The functions char-to-ascii and ascii-to-char provide the primitive conversions
needed by ASCII-translating streams. They do not translate the
Return character into a CR-LF pair; the caller must handle that. They just
translate #\return into CR and #\line into LF. Except for CR-LF,
char-to-ascii and ascii-to-char are wholly compatible with the ASCIItranslating
streams.
They ignore Symbolics Lisp Machine control characters; the translation of
#\c-g is the ASCII code for G, not the ASCII code to ring the bell, also
known as "control 0." (ascii-to-char (ascii-code "BEL"» is #/1t, not #\c-G.
The translation from ASCII to character never produces a Lisp Machine
control character.
ascii-to-string ascii-array Function
Converts ascii-array, an sys:art-8b array representing ASCII characters,
into a Lisp string. Note that the length of the string can vary depending
on whether ascii-array contained a newline character or Carriage Return
Line Feed characters. See the section "ASCII Characters" in Symbolics
Common Lisp: Language Concepts.
Example: