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C preprocessor supports the `#line` directive that can specify a custom source file/line combination. The compiler (or the runtime code with `__FILE__` and `__L
by Mikhail_Edoshin 8y ago
C preprocessor supports the `#line` directive that can specify a custom source file/line combination. The compiler (or the runtime code with `__FILE__` and `__LINE__` macros) can then use it to report the location of the error.