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What is the primary purpose of the preprocessor directive #error?
  • a)
    Rectifies the first error occuring in the code
  • b)
    Rectifies the errors present in a code
  • c)
    Causes a preprocessor to ignore any error
  • d)
    Causes a preprocessor to report some fatal error
Correct answer is option 'D'. Can you explain this answer?
Most Upvoted Answer
What is the primary purpose of the preprocessor directive #error?a)Rec...
  • The primary purpose of the preprocessor directive #error is to cause the preprocessor to report a fatal error during the compilation process. When the preprocessor encounters the #error directive in the source code, it immediately stops the compilation and generates an error message containing the specified error message string.
  • This directive is often used to provide custom error messages or to enforce specific conditions in the code. For example, if a certain requirement is not met or a feature is not supported, the #error directive can be used to halt the compilation with a clear error message indicating what needs to be fixed before proceeding.
  • In summary, #error is a useful tool for generating custom error messages and preventing code from being compiled under specific conditions.
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