linux下利用C语言获取mac地址 - Linux平台C语言开发专版 - LUPA开源社...

#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;

}

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