/// <summary>
/// Returns the file descriptor number from which captured packets are read,
/// if a network device was opened with pcap_create() and pcap_activate() or
/// with pcap_open_live(), or -1, if a ``savefile'' was opened with
/// pcap_open_offline()
/// Libpcap specific method
/// </summary>
/// <param name="adapter">
/// A <see cref="IntPtr"/>
/// </param>
/// <returns>
/// A <see cref="System.Int32"/>
/// </returns>
internal static int pcap_fileno(IntPtr /* pcap_t* p */ adapter)
{
return(UseWindows ? Windows.pcap_fileno(adapter) : Unix.pcap_fileno(adapter));
}
