Web假设内核返回2 个ifreq 结构,ioctl 返回时通过同一个ifconf 结构缓冲区填入了那2 个ifreq 结构,ifconf 结构的ifc_len 成员也被更新,以反映存放在缓冲区中的信息量. 一般来讲ioctl … Web1.1 SO_TIMESTAMP (also SO_TIMESTAMP_OLD and SO_TIMESTAMP_NEW) ¶. This socket option enables timestamping of datagrams on the reception path. Because the …
低レイヤーネットワークプログラミングに関する雑多な知識
WebThis man page describes the sockets interface which is used to configure network devices. Linux supports some standard ioctls to configure network devices. They can be used on any socket's file descriptor regardless of the family or type. Most of them pass an ifreq structure: struct ifreq {. char ifr_name [IFNAMSIZ]; /* Interface name */. WebOn Linux-based systems, one way to obtain the IPv4 address of an interface is to use the ioctl command SIOCGIFADDR. The method described here has four steps: Create an … shanghai wedding castles
获取网络接口信息——ioctl()函数与结构体struct ifreq、 struct ifconf
WebThis tutorial shows you how to use SIOCGIFADDR . SIOCGIFADDR is defined in header sys/ioctl.h . SIOCGIFADDR can be used in the following way: struct ifreq *ifr = get_ifreq … Web13 mrt. 2024 · 的区别是什么?. netinet.h 和 netinet/in.h 都是 Linux 中网络编程所需的头文件,但是它们的作用不同。. netinet.h 包含了一些常用的网络编程函数和数据结构的定义,如 socket、bind、listen、accept 等函数,以及 sockaddr_in、in_addr 等数据结构的定义。. 而 netinet/in.h 则包含了 ... polyester folding chair covers black