关于字符的一个小判断

	char str1[] = "hellow";
	char str2[] = "hellow";
	char* str3 = "hellow";
	char* str4 = "hellow";
	
	if (str1 == str2)
		printf("一样\n");
	else
		printf("不一样\n");

	if (str3 == str4)
		printf("一样\n");
	else
		printf("不一样\n");