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 4 of 5.

Dipak said:   4 years ago
STDDEF.C is a header file.

Am I right?
(2)

Sasi said:   1 decade ago
It is also available in stdlib.h library

Swetha said:   1 decade ago
Hi, please give me explanation clearly.

Chethan said:   1 decade ago
Can any one explain about stddef.h????

Omkar Patil said:   9 years ago
It also defined in alloc.h and mem.h.

Meenu said:   1 decade ago
What is the function of null macro ?

Shail said:   1 decade ago
What is the function of null marco?

Anit said:   1 decade ago
What kind of standard definition?

Priyanga said:   1 decade ago
Please tell about null macros.

Shanthi said:   9 years ago
Please tell about B].stddef.h.


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