Web网络接口--------------struct ifconf,struct ifreq. Ifreq结构用来配置ip地址,激活接口,配置MTU。. 在Linux系统中获取IP地址通常都是通过ifconfig命令来实现的,然而ifconfig命令 … Webgetsockopt () コール、. select () コール、および. setsockopt () コールで使用. struct timeval { time_t tv_sec; long tv_usec; }; ip_mreq_source. setsockopt () コールで使用される. コールのみ. struct ip_mreq_source { struct in_addr imr_multiaddr; struct in_addr imr_sourceaddr; struct in_addr imr_interface; }; group_req.
struct ifconf和struct ifreq,获取网线插入状态 - CSDN博客
WebDec 16, 2005 · 最近访问板块 ... Webstruct ifcfg结构体的定义在同一个头文件中 /* * Structure used in SIOCGIFCONF request. * Used to retrieve interface configuration * for machine (useful for programs … his 18cf tm ref wht hrt180n6awd
ifreq、ifconf - 小时候挺菜 - 博客园
WebThe user passes a ifconf structure as argument to the ioctl. It contains a pointer to an array of ifreq structures in ifc_req and its length in bytes in ifc_len . The kernel fills the ifreqs with all current L3 interface addresses that are running: ifr_name contains the interface name (eth0:1 etc.), ifr_addr the address. WebOct 11, 2011 · struct ifreq 详解,用ioctl获得本地ip地址时要用到两个结构体ifconf和ifreq,它们对于大多数人来说都是比较陌生的,这里给大家一种比较简单的理解方法,当然只一种帮助理解的方法,在描述中可能会有一些地方与真实定义有所出入,仅供参考.首先先认识一下ifconf ... Webioctl(fd, SIOCGIFCONF, (caddr_t)& ifc); struct ifconf ifc; The configuration information is returned in a list of ifreq structures pointed to by the ifc.ifc_req field, with one ifreq structure per interface. Note: The caller of the ioctl command must allocate sufficient space to store the configuration information, ... homestead way croydon