Which of the following does not initialize ptr to null (assuming varia – McqOptions

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1.	Which of the following does not initialize ptr to null (assuming variable declaration of a as int a=0;)?
A.	int *ptr = &a;
B.	int *ptr = &a – &a;
C.	int *ptr = a – a;
D.	All of the mentioned
Answer» B. int *ptr = &a – &a;

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