main()
{
	static char *s[ ]  = {“black”, “white”, “yellow”, “violet”};
	char **ptr[ ] = {s+3, s+2, s+1, s}, ***p;
	p = ptr;
	**++p;
	printf(“%s”,*--*++p + 3);
}

 main()
{
	void *vp;
	char ch = ‘g’, *cp = “goofy”;
	int j = 20;
	vp = &ch;
	printf(“%c”, *(char *)vp);
	vp = &j;
	printf(“%d”,*(int *)vp);
	vp = cp;
	printf(“%s”,(char *)vp + 3);
}

 main()
{
	char  *q;
	int  j;
	for (j=0; j<3; j++) scanf(“%s” ,(q+j));
	for (j=0; j<3; j++) printf(“%c” ,*(q+j));
	for (j=0; j<3; j++) printf(“%s” ,(q+j));
}

 main()
{
	static int  a[ ]   = {0,1,2,3,4};
	int  *p[ ] = {a,a+1,a+2,a+3,a+4};
	int  **ptr =  p;
	ptr++;
	printf(“\n %d  %d  %d”, ptr-p, *ptr-a, **ptr); 
	*ptr++;
	printf(“\n %d  %d  %d”, ptr-p, *ptr-a, **ptr); 
	*++ptr;
	printf(“\n %d  %d  %d”, ptr-p, *ptr-a, **ptr); 
	++*ptr;
	printf(“\n %d  %d  %d”, ptr-p, *ptr-a, **ptr); 
}

 main()
{
  int a[ ] = {10,20,30,40,50},j,*p;
  for(j=0; j<5; j++)
    {
printf(“%d” ,*a); 
a++;
    }
    p = a;
   for(j=0; j<5; j++) 
      {
printf(“%d ” ,*p); 
p++;
      }
 }

 main()
{
	int a[2][3][2] = {{{2,4},{7,8},{3,4}},{{2,2},{2,3},{3,4}}};
	printf(“%u %u %u %d \n”,a,*a,**a,***a);
	printf(“%u %u %u %d \n”,a+1,*a+1,**a+1,***a+1);
}

 main()
{
	show();
}
void show()
{
	printf("I'm the greatest");
}

 main()
{
	extern out;
	printf("%d", out);
}
int out=100;

 main()
{
	printf("%d", out);
}
int out=100;

 main()
{
	extern int i;
	i=20;
	printf("%d",sizeof(i));
}