Assign NULL to pointer : NULL Pointer « Pointer « C Tutorial

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C Tutorial » Pointer » NULL Pointer 
10.4.1.Assign NULL to pointer
#include <stdio.h>

int main(void)
{
  int number = 0;                 
  int *pointer = NULL;            

  number = 10;
  printf("\nnumber's address: %p", &number);            /* Output the address */
  printf("\nnumber's value: %d\n\n", number);           /* Output the value   */

  return 0;
}
number's address: 9a378
     number's value: 10
10.4.NULL Pointer
10.4.1.Assign NULL to pointer
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