| Код |
#include <sys/ioctl.h>
#include <net/if.h>
#include <net/ethernet.h>
#include <string.h>
#include <stdio.h>
int main()
{
int s;
int i;
const char *prefix;
struct ifreq ifreq;
memset(&ifreq, 0, sizeof(ifreq));
strcpy(ifreq.ifr_name, "eth0");
if ((s = socket(AF_INET, SOCK_STREAM, 0)) < 0)
{
return -1;
}
if (ioctl(s, SIOCGIFHWADDR, &ifreq) < 0)
{
return -2;
}
prefix = "";
for (i = 0; i < ETHER_ADDR_LEN; ++i)
{
printf("%s%02X", prefix, (unsigned int)(unsigned char)ifreq.ifr_hwaddr.sa_data[i]);
prefix = ":";
}
return 0;
}
|
|