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C | Macro & Preprocessor | Question 11

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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
 


Answer: (A)

Explanation:

Quiz of this Question
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Last Updated : 28 Jun, 2021
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