>>>>> Tan-Long Phan writes: Phan> This is the first time I'm porting my code from Linux to AIX, thankyou very Phan> much for your greate support. I still have another problem porting my Phan> software to AIX. On Linux, I use ioctl to get the hardware address of my Phan> network card : ioctl(mySocket, SIOCGIFHWADDR, (char *)wInfo); and the Phan> hardware address is returned in wInfo->ifr_hwaddr.sa_data[0] (wInfo is a Phan> pointer to ifreq structure). On AIX, ifr_hwaddr is not part of ifreq Phan> anymore, is there another way to get the hardware address on AIX Sorry, but this mailinglist is for help with GCC on various platforms, not general questions about porting to AIX. David