针对你遇到的问题“interface wlan0: ioctl(siocgifindex) failed: no such device failed initializ”,我们可以从以下几个方面进行排查和解决: 确认wlan0设备是否存在: 使用ifconfig -a或ip link show命令列出所有可用的网络接口,检查wlan0是否存在。 如果wlan0不存在,可能是因为你的无线网卡名称不同(例如在某些Lin...
printf("SIOCGIFINDEX:%d\n",ifr.ifr_ifindex); //获取发送队列的长度 err=ioctl(s,SIOCGIFTXQLEN,&ifr); if(!err) printf("SIOCGIFTXQLEN:%d\n",ifr.ifr_qlen); //获取网络接口IP struct sockaddr_in *sin=(struct sockaddr_in*)&ifr.ifr_addr;//保存的是二进制IP char ip[16];//字符...
[root@localhost ~]# ./ioctl-testthe 2st interface is:eth0SIOCGIFFLAGS:4163SIOCGIFMTU:1500SIOCGIFHWADDR:00:13:d4:36:98:34SIOCGIFMAP,mem_start:0,mem_end:0,base_addr:60416,ifr_map:201,dma:0,port:0SIOCGIFINDEX:2SIOCGIFTXQLEN:1000SIOCGIFADDR:222.27.253.108SIOCGIFDSTADDR:222.27.253.108SIOCGIFNETMASK...
SIOCGIFMAP,mem_start:0,mem_end:0,base_addr:60416,ifr_map:201,dma:0,port:0 SIOCGIFINDEX:2 SIOCGIFTXQLEN:1000 SIOCGIFADDR:222.27.253.108 SIOCGIFDSTADDR:222.27.253.108 SIOCGIFNETMASK:255.255.255.0 check IP---222.27.253.108 BROADCAST IP:222.27.253.255 (2)查看arp高速缓存信息 #include <stdio.h> #i...
[root@localhost ~]# ./ioctl-testthe 2st interface is:eth0SIOCGIFFLAGS:4163SIOCGIFMTU:1500SIOCGIFHWADDR:00:13:d4:36:98:34SIOCGIFMAP,mem_start:0,mem_end:0,base_addr:60416,ifr_map:201,dma:0,port:0SIOCGIFINDEX:2SIOCGIFTXQLEN:1000SIOCGIFADDR:222.27.253.108SIOCGIFDSTADDR:222.27.253.108SIOCGIFNETMASK...
SIOCGIFINDEX:2 SIOCGIFTXQLEN:1000 SIOCGIFADDR:222.27.253.108 SIOCGIFDSTADDR:222.27.253.108 SIOCGIFNETMASK:255.255.255.0 check IP---222.27.253.108 BROADCAST IP:222.27.253.255 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. (2)查看arp高速缓存信息 #include...
SIOCGIFINDEX0x8933/* name -> if_index mapping*/#define SIOGIFINDEXSIOCGIFINDEX/* misprint ...
printf("SIOCGIFINDEX:%d\n",ifr.ifr_ifindex); //获取发送队列的长度 err=ioctl(s,SIOCGIFTXQLEN,&ifr); if(!err) printf("SIOCGIFTXQLEN:%d\n",ifr.ifr_qlen); //获取网络接口IP struct sockaddr_in *sin=(struct sockaddr_in*)&ifr.ifr_addr;//保存的是二进制IP ...
#include <sys/ioctl.h> int ioctl(int d, int request, ...); 第一个参数fd指定一个由open(2)/socket(2)创建的文件描述符 第二个参数request指定操作的类型,即对该文件描述符执行何种操作 第三个参数为一块内存区域,通常依赖于request指定的操作类型 ...
//获得网卡序号err=ioctl(s,SIOCGIFINDEX,&ifr);if(!err)printf("SIOCGIFINDEX:%d\n",ifr.ifr_ifindex);//获取发送队列的长度err=ioctl(s,SIOCGIFTXQLEN,&ifr);if(!err)printf("SIOCGIFTXQLEN:%d\n",ifr.ifr_qlen);//获取网络接口IPstructsockaddr_in*sin=(structsockaddr_in*)&...