I was looking at the escape sequences for characters in strings in c++ and I noticed there is an escape sequence for a question mark. Can someone tell me why this is? It just seems a little odd and I can't figure out what ? does in a string. Thanks.
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It's to keep a question mark from getting misinterpreted as part of a trigraph.
For example, in
The "??! would be interpreted as the
|character. So, you have to escape the question marks as follows:Example complements of http://msdn.microsoft.com/en-us/library/bt0y4awe%28VS.80%29.aspx