C Programming - Pointers - Discussion
Discussion Forum : Pointers - General Questions (Q.No. 3)
3.
In which header file is the NULL macro defined?
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.
Jeevitha said:
2 decades ago
Can you tell about stddef.h?
Deepak said:
2 decades ago
It is a library function.
Shail said:
2 decades ago
What is the function of null marco?
Sasi said:
2 decades ago
It is also available in stdlib.h library
Harsh said:
2 decades ago
Please tell me What kind of standard definition?
Chethan said:
2 decades ago
Can any one explain about stddef.h????
Priyanka said:
2 decades ago
Tell me more about stddef.h.
Sundar said:
2 decades ago
@Vanitha
Include any one of the header files stdio.h or stddef.h, it is enough to use NULL.
Anyhow, including the both header files stdio.h and stddef.h WILL NOT create any problem.
Have a nice day!
Include any one of the header files stdio.h or stddef.h, it is enough to use NULL.
Anyhow, including the both header files stdio.h and stddef.h WILL NOT create any problem.
Have a nice day!
Jksahu said:
2 decades ago
stddef.h is stands for standard definition called it is uses for some exceptional condition.
Himanshu said:
2 decades ago
NULL macro:
#define NULL 0
#define NULL 0
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