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Q. What is the use of "#pragma once"?

  • (A) Used in a header file to avoid its inclusion more than once.
  • (B) Used to avoid multiple declarations of same variable.
  • (C) Used in a c file to include a header file at least once.
  • (D) Used to avoid assertions
  • Correct Answer - Option(A)
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  • Filed under category C Programming
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