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C++中的struct不在仅仅代表数据结构
C++中的srtuct与class一样可以继承、多态、对象
C++中的struct与class不同之处是,默认的访问权限是,struct是public,class是private
1、在默认的继承访问权限上,struct是public,class是private;
2、在默认的成员访问权限上,struct是public,class是private;
写代码时候,用class来定义类,而使用struct来定义结构体,这样语义更加确定。
C语言中有6中基本的数据类型:short 、int、long、float、double、char根据posix标准,一般整形对应的*_t类型为
1字节 uint8_t unsigned char
2字节 uint16_t unsigned short int
4字节 uint32_t unsigned int
8字节 uint64_t unsigned long int
类也相当于一种类型
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