What is the use of "#pragma once"? - C Programming MCQs

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Ram Sharma • 188.81K Points
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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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