MCQ Answer

In which header file is the NULL macro defined?

In which header file is the NULL macro defined?

NULL मैक्रो को किस हेडर फ़ाइल में परिभाषित किया गया है?
Topic : Pointers

A. stdio.h

B. stddef.h

C. stdio.h and stddef.h

D. math.h




Correct Answer is :

C. stdio.h and stddef.h



Explanation
The macro "NULL" is defined in locale.h, stddef.h, stdio.h, stdlib.h, string.h, time.h, and wchar.h.
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