Null Pointer

Null Pointer:

A NULL pointer is a pointer which is pointing to nothing. A NULL pointer points the base address of the segment.

Examples of NULL pointer:

1. int *ptr=(char *)0;

2. float *ptr=(float *)0;

3. char *ptr=(char *)0;

4. double *ptr=(double *)0;

5. char *ptr=’\0’;

6. int *ptr=NULL;

C program

Output: (null)