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C Language
C POINTERS
INTRODUCTION
What are POINTERS?
Illustration of POINTER assignments
Illustration - II
Illustration - III
POINTER arithmetic- POINTER + number
POINTER - number
POINTER - POINTER
NULL POINTER
Common Errors
DEREFERENCING NULL
DANGLING POINTER
REFERENCING DE-ALLOCATED MEMORY
MEMORY MANAGEMENT

 

 

NULL pointer:

It is the simplest pointer. The NULL pointer is a pointer which points to no where.. We can also use integer 0 in place of constant NULL.

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Int* x=NULL;

The above statement creates a NULL pointer x.

 


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