5 Lexical conventions [lex]

5.13 Literals [lex.literal]

5.13.3 Character literals [lex.ccon]

Table 9: Escape sequences [tab:lex.ccon.esc]
new-line
NL(LF)
\n
horizontal tab
HT
\t
vertical tab
VT
\v
backspace
BS
\b
carriage return
CR
\r
form feed
FF
\f
alert
BEL
\a
backslash
\
\\
question mark
?
\?
single quote
'
\'
double quote
"
\"
octal number
ooo
\ooo
hex number
hhh
\xhhh