# headers elided


int main()
{
    char buf[1024];
    struct ifconf ifc;
    struct ifreq *ifr;
    int sck;
    int count;
    int i;

    sck = socket(2, 2, 0);
    if (sck < 0)
    {
        perror("socket");
        return 1;
    }

    ifc.ifc_len = sizeof(buf);
    ifc.ifc_ifcu.ifcu_buf = buf;
    if (ioctl(sck, (0x80000000|(((long)sizeof(struct ifconf)&0x7f)<<16)|('s'<<8)|100), &ifc) < 0)
    {
        perror("ioerror");
        return 1;
    }

    ifr = ifc.ifc_ifcu.ifcu_req;
    count = ifc.ifc_len / sizeof(struct ifreq);

    for (i = 0; i < count; i++)
    {
        struct ifreq *item = &ifr[i];
        fprintf(((__getreent())->_stdout), "name: %s\n", item->ifr_ifrn.ifrn_name);
        fprintf(((__getreent())->_stdout), "hwaddr: %02x:%02x:%02x:%02x:%02x:%02x\n",
                        (unsigned char)item->ifr_ifru.ifru_hwaddr.sa_data[0],
                        (unsigned char)item->ifr_ifru.ifru_hwaddr.sa_data[1],
                        (unsigned char)item->ifr_ifru.ifru_hwaddr.sa_data[2],
                        (unsigned char)item->ifr_ifru.ifru_hwaddr.sa_data[3],
                        (unsigned char)item->ifr_ifru.ifru_hwaddr.sa_data[4],
                        (unsigned char)item->ifr_ifru.ifru_hwaddr.sa_data[5]);
    }
}