摘要：
https://blog.csdn.net/GitChat/article/details/82896486 https://blog.csdn.net/u011635492/article/details/80574114 IOserver 阅读全文
摘要：
1.https://zhidao.baidu.com/question/181081049.html typedef常见用法1.常规变量类型定义例如：typedef unsigned char uchar描述：uchar等价于unsigned char类型定义 uchar c声明等于unsigned 阅读全文