嵌入式学习记录5.18(多点通信)
一、套接字属性设置相关函数 #include <sys/types.h> /* See NOTES */#include <sys/socket.h>int getsockopt(int sockfd, int level, int optname,void *optval, socklen_t *optlen);int setsockopt(int sockfd, int level, int optname,const void *op…
2025-12-21