unsigned int h_len:4 这种语法以前没见过

2005-04-05 04:58:21 332 阅读 AI 写同款 · GEO 优化AI 选题数据监测一键分发 ›

Unity类银河恶魔城学习记录1-10 PlayerWallJump源代码 P37 Alex教程每一P的教程原代码加上我自己的理解初步理解写的注释，可供学习Alex教程的人参考阅读详情

typedef struct tagIP_HEADER
{
unsigned int h_len:4; // length of the header
unsigned int version:4; // Version of IP
unsigned char tos; // Type of service
unsigned short total_len; // total length of the packet
unsigned short ident; // unique identifier
unsigned short frag_and_flags; // flags
unsigned char ttl;
unsigned char proto; // protocol (TCP, UDP etc)
unsigned short checksum; // IP checksum
unsigned int sourceIP;
unsigned int destIP;
} IP_HEADER;
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定义协议的头的时候经常碰到这样的定义，请问怎么赋值给h_len和version？

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