4.3.2 Special Characters
There are a few characters that are special in certain contexts. Within a macro body, the character & is used for token concatenation. To use the bitwise & operator within a macro body, escape it by using && instead. In a macro argument list, the angle brackets < and > are used to quote macro arguments.
Other special characters are described below.
| Character | Character Description | Syntax Usage |
|---|---|---|
. | period | begins a directive |
; | semicolon | begins a single-line comment |
/* | slash, asterisk | begins a multiple-line comment |
*/ | asterisk, slash | ends a multiple-line comment |
: | colon | ends a label definition |
# | pound | begins a literal value |
’c’ | character in single quotes | specifies a single character value |
"string" | character string in double quotes | specifies a character string |