...
All occurrences in a source file of the following sequences of three characters (ie. trigraph sequences) are replaced with the corresponding single character.
??=
#
??)
]
??!
|
<ac:structured-macro ac:name="unmigrated-wiki-markup" ac:schema-version="1" ac:macro-id="97e9cd59e4c2fa43-ef8fb6c6-4c8e433f-b48b9b5d-e6f804b5a4f45b66776c23c9"><ac:plain-text-body><![CDATA[
??(
[
??'
^
??>
}
]]></ac:plain-text-body></ac:structured-macro>
??/
\
??<
{
??-
~
...
Search for vulnerabilities resulting from the violation of this rule on the CERT website.
References
| Wiki Markup |
|---|
\[[ISO/IEC 9899-1999:TC2|AA. C References#ISO/IEC 9899-1999TC2]\] Section 5.2.1.1, "Trigraph sequences" \[Wikipedia\] ["C Trigraphs"|http://en.wikipedia.org/wiki/C_trigraph] |