/* 获得网卡名 */struct ifreq *ifr, *ifend;struct ifconf ifc;struct ifreq ifs[16];int sockfd;sockfd = socket(AF_INET, SOCK_DGRAM, 0);ifc.ifc_len = sizeof(ifs);ifc.ifc_req = ifs;if (ioctl(sockfd, SIOCGIFCONF, &ifc) < 0) {writelog(g_log, "[error] %s(%d)-%s ioctl(): %s",__FILE__,__LINE__,__FUNCTION__,strerror(errno) );} else {ifend = ifs + (ifc.ifc_len / sizeof(struct ifreq));for (ifr = ifc.ifc_req; ifr < ifend; ifr++) {if (ifr->ifr_addr.sa_family == AF_INET) {if ( strncmp(ifr->ifr_name,”lo”,strlen(“lo”)) ) {printf(“[dev]%s\n”,ifr->ifr_name);}}}}
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