C Programming - Pointers - Discussion

Discussion Forum : Pointers - General Questions (Q.No. 3)
3.
In which header file is the NULL macro defined?
stdio.h
stddef.h
stdio.h and stddef.h
math.h
Answer: Option
Explanation:
The macro "NULL" is defined in locale.h, stddef.h, stdio.h, stdlib.h, string.h, time.h, and wchar.h.
Discussion:
48 comments Page 5 of 5.

Dhrumil said:   1 decade ago
stdio.h and stddef.h is what ?

Jeevitha said:   1 decade ago
Can you tell about stddef.h?

Priyanka said:   2 decades ago
Tell me more about stddef.h.

Bindhu said:   1 decade ago
Please tell about stdlib.h.

Himanshu said:   1 decade ago
NULL macro:

#define NULL 0

Deepak said:   1 decade ago
It is a library function.

Sasikumar said:   1 decade ago
Thanks bijan.

Riya said:   1 decade ago
Thnks bijan.


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