public static extern int ioctl(int fd, AixIoctlRequest request, ref AixStructs.ifreq_addrin arg);
public static extern int ioctl(int fd, AixIoctlRequest request, ref int arg);
public static extern int ioctl(int fd, AixIoctlRequest request, ref AixStructs.ifconf arg);
public static extern int ioctl(int fd, AixIoctlRequest request, IntPtr arg);