What does ch!=?.? mean in c++


This is used here do {....} while(ch!=?.?); what does ch!=?.? mean here can anybody please help with it.

>Solution :

It’s a syntax error with both clang and gcc.

@JonathanLeffler is usually right and I think he nailed the root cause. I used to see this when text was being copied from Microsoft Word to the web, legacy code page to ascii/utf8?.

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