public byte[] Recv(int size, out IPEndPoint remote)
{
var buffer = new byte[size];
var sockAddr = new SockAddr();
var addrSize = 16;
var count = IO.Check(IO.RecvFrom(SocketFileDescriptor, buffer, size, 0, ref sockAddr, ref addrSize));
var slice = buffer.Take(count).ToArray();
remote = sockAddr.ToIPEndPoint();
return(slice);
}
internal static extern int SendTo(FileDescriptor sockfd, byte[] buf, int len, int flags, ref SockAddr dest_addr, int addrlen);
internal static extern int RecvFrom(FileDescriptor sockfd, byte[] buf, int len, int flags, ref SockAddr dest_addr, ref int addrlen);
internal static extern int Bind(FileDescriptor sockfd, ref SockAddr addr, int addrlen);