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Once this modification is made, the non-compliant code example no longer compiles because the macro expansion results in the conditional expression getchar() (-1), which is no longer syntactically valid. Note that there must be a space after EOF because otherwise it becomes a function-like macro (and one that is incorrectly formed, since because -1 cannot be a formal parameter).
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In this compliant solution, we replace the macro definition is replaced with an enumeration constant in compliance with DCL00-A. Const-qualify immutable objects.
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