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C language compiler

Trigraph sequences

Trigraph sequences are three-character sequences that are replaced by a corresponding single character in Translation Phase 1, as follows:

??= # ??( [ ??< {
??/ \ ??) ] ??> }
??' ^ ??! | ??- ~
No other such sequences are recognized. The trigraph sequences provide a way to specify characters that are missing on some terminals, but that the C language uses.


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