fork(4) download 
  1. #include <stdio.h>
  2. #include <ifaddrs.h>
  3. #include <netpacket/packet.h>
  4.  
  5. int main (int argc, const char * argv[])
  6. {
  7.     struct ifaddrs *ifaddr=NULL;
  8.     struct ifaddrs *ifa = NULL;
  9.     int i = 0;
  10.  
  11.     if (getifaddrs(&ifaddr) == -1)
  12.     {
  13.          perror("getifaddrs");
  14.     }
  15.     else
  16.     {
  17.          for ( ifa = ifaddr; ifa != NULL; ifa = ifa->ifa_next)
  18.          {
  19.              if ( (ifa->ifa_addr) && (ifa->ifa_addr->sa_family == AF_PACKET) )
  20.              {
  21.                   struct sockaddr_ll *s = (struct sockaddr_ll*)ifa->ifa_addr;
  22.                   printf("%-8s ", ifa->ifa_name);
  23.                   for (i=0; i <s->sll_halen; i++)
  24.                   {
  25.                       printf("%02x%c", (s->sll_addr[i]), (i+1!=s->sll_halen)?':':'\n');
  26.                   }
  27.              }
  28.          }
  29.          freeifaddrs(ifaddr);
  30.     }
  31.     return 0;
  32. }
Success #stdin #stdout 0s 15232KB
comments (?)
stdin 
Standard input is empty
stdout 
lo       00:00:00:00:00:00
https://ideone.com/b6bavD
language:
C++14 (clang 8.0)
created:
5 years ago
visibility:
public

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