text: char s0[] = "foo";
  char s1[7] = "foo";
  char s2[2] = "foo";
  char s3[] = {"foo"};
  char *p = "foo";
  
  int
  cmp(char *s1, char *s2)
  {
  	while (*s1 && *s1++ != *s2++)
  		;
  	return *s1;
  }
  
  int
  main()
  {
  	if (sizeof(s0) != 4 || cmp(s0, "foo"))
  		return 1;
  	if (cmp(s1, "foo"))
  		return 1;
  	if (s2[0] != 'f' || s2[1] != 'o')
  		return 1;
  	if (sizeof(s3) != 4 || cmp(s3, "foo"))
  		return 1;
  	return 0;
  }
  