ifr_name example
strcpy(ifr.ifr_name, ifname); ioctl(s, SIOCGIFINDEX, &ifr); addr.can_family = AF_CAN; addr.can_ifindex = ifr.ifr_ifindex;. if(bind(s, (struct sockaddr *)&addr, ... ,Example 7–14 net/if.h Header File. struct ifreq #define IFNAMSIZ 16 char ifr_name[IFNAMSIZ]; /* if name, e.g., "en0" */ union struct sockaddr ifru_addr; struct ...
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 ifr_name example 相關參考資料
a small code using sockaddr_in and ifreq to get ip and mac ...
printf("%s-n",name);. if(strlen(name)>=IFNAMSIZ). printf("device name is error.-n"),exit(0);. strcpy(ifr.ifr_name,name);. sockfd=socket(AF_INET,SOCK_DGRAM,0);. https://gist.github.com basic CAN example - NXP Community
strcpy(ifr.ifr_name, ifname); ioctl(s, SIOCGIFINDEX, &ifr); addr.can_family = AF_CAN; addr.can_ifindex = ifr.ifr_ifindex;. if(bind(s, (struct sockaddr *)&addr, ... https://community.nxp.com Broadcasting and Determining Network Configuration ...
Example 7–14 net/if.h Header File. struct ifreq #define IFNAMSIZ 16 char ifr_name[IFNAMSIZ]; /* if name, e.g., "en0" */ union struct sockaddr ifru_addr; struct ... https://docs.oracle.com example to list network interfaces on linuxbsdosxetc · GitHub
strncpy(ifreq.ifr_name, name, IFNAMSIZ);. if(ioctl(fd, SIOCGIFADDR, &ifreq)!=0) . /* perror(name); */. return; /* ignore */. } switch(family=ifreq.ifr_addr.sa_family) . https://gist.github.com Get the IP address of a network interface in C ... - microHOWTO
... to a null-terminated string containing the name of the interface (for example, ... of the interface to be queried, which should be copied into the ifr_name field. http://www.microhowto.info Get the MAC address of an Ethernet interface ... - microHOWTO
... name of the interface to be queried, which should be copied into the ifr_name field. ... It must be open and must refer to a socket (as opposed to, for example, ... http://www.microhowto.info ioctl Socket Control Operations - IBM
The interface name is passed in the ifaddrsp->ifr_name field. ... For example, if n interfaces are configured on the system, ifc.ifc_req must point to n * sizeof ... https://www.ibm.com netdevice(7) - Linux manual page - man7.org
2020年12月21日 — Most of them pass an ifreq structure: struct ifreq char ifr_name[IFNAMSIZ]; /* Interface name */ union struct sockaddr ifr_addr; struct sockaddr ... https://man7.org Struct ifreq learning and examples - Programmer Sought
Interface request structure used for socket ioctl's. All interface. ioctl's must have parameter definitions which begin with ifr_name. The remainder may be interface ... https://www.programmersought.c 取得網路裝置(NETDEVICE)的系統訊息 - Fred's blog - blogger
2008年1月4日 — strcpy(ifr.ifr_name, "eth0"); ioctl(sockfd, SIOCGIFFLAGS, &ifr); /* ifr_flags 的各項旗標和說明： IFF_UP 裝置正在運作. IFF_BROADCAST 有效的 ... https://fred-zone.blogspot.com |