说明：  C的各类数组进制转换，如比特流转十进制、十六进制、字符串，十进制、十六进制转字符串等。个人收集学习用，分享给大家。还有没搜集全的个人自己编写在了另一台机器上，其实弄清这些代码的原理自己编写很容易，提供大家学习。
( C all array hexadecimal conversion, such as bit circulation decimal, hexadecimal, string, decimal, hexadecimal string. Personal collection of learning to use, for everyone to share. There are no collection of personal writing on another machine, actually understand the code of principles for his own are easy to prepare and provide them to learn.)