- #include <sys/ioctl.h>
- #include <sys/socket.h>
- #include <netinet/in.h>
- #include <net/if.h>
- #include <string.h>
- int main(int argc, char *argv[])
- {
- struct ifreq ifreq;
- int sock;
- if(argc!=2)
- {
- printf("Usage : ethname\n");
- return 1;
- }
- if((sock=socket(AF_INET,SOCK_STREAM,0))<0)
- {
- perror("socket");
- return 2;
- }
- strcpy(ifreq.ifr_name,argv[1]);
- if(ioctl(sock,SIOCGIFHWADDR,&ifreq)<0)
- {
- perror("ioctl");
- return 3;
- }
- printf("%02x:%02x:%02x:%02x:%02x:%02x\n",
- (unsigned char)ifreq.ifr_hwaddr.sa_data[0],
- (unsigned char)ifreq.ifr_hwaddr.sa_data[1],
- (unsigned char)ifreq.ifr_hwaddr.sa_data[2],
- (unsigned char)ifreq.ifr_hwaddr.sa_data[3],
- (unsigned char)ifreq.ifr_hwaddr.sa_data[4],
- (unsigned char)ifreq.ifr_hwaddr.sa_data[5]);
- return 0;
- }
linux下利用C语言获取mac地址
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转载自blog.csdn.net/xjpdf10/article/details/81542284
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