linux下利用C語言獲取mac地址 - Linux平臺C語言開發(fā)專版 - LUPA開源社...
#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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