A null pointer does not point to any object.
NULL and 0 are interchangeable in pointer contexts.Usage of NULL should be considered a gentle reminder that a pointer is involved.
It is only in pointer contexts that NULL and 0 are equivalent. NULL should not be used when another kind of 0 is required.
Explain bitwise shift operators?
Can you please explain the difference between exit() and _exit() function?
What is _exit() function?
What is memcpy() function?
What is exit() function?
What is strcpy() function?
Can you please explain the difference between malloc() and calloc() function?
What is malloc() function?
Explain the use of "auto" keyword in C Programming?
What is self-referential structure in C Programming?
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