main()
{
  char s[7] = "hello\n";	/* same as: char s[] = "hello\n" */
  char *t = "world\n";
  char *q = "world\n";

  printf("%c %d %d %d\n",s[0],s,&s,&s[7]);
  printf("%c %d %d\n",t[0],t,&t);
  printf("%c %d %d\n\n",q[0],q,&q);

  q = (char *) malloc(7);
  strcpy(q,s);
  printf("%c %d %d\n\n",q[0],q,&q);
 
  t[1] = 'i';
  printf("%c %d %d\n",t[0],t,&t);
}