tests2/19_pointer_arithmetic.c

   1 #include <stdio.h>
   2
   3 int main()
   4 {
   5    int a;
   6    int *b;
   7    int *c;
   8
   9    a = 42;
  10    b = &a;
  11    c = NULL;
  12
  13    printf("%d\n", *b);
  14
  15    if (b == NULL)
  16       printf("b is NULL\n");
  17    else
  18       printf("b is not NULL\n");
  19
  20    if (c == NULL)
  21       printf("c is NULL\n");
  22    else
  23       printf("c is not NULL\n");
  24
  25    return 0;
  26 }
  27
  28 /* vim: set expandtab ts=4 sw=3 sts=3 tw=80 :*/