Why not just use 'ref IntPtr'? No special marshalling would then be
required. :-)
> [StructLayout(LayoutKind.Sequential)] public class HDF {}
> [StructLayout(LayoutKind.Sequential)] public class LPHDF {
> //[MarshalAs(UnmanagedType.LPStruct)]
> //public HDF hdf;
> public int hdf;
> }
>
> public class Hdf {
> // NEOERR* hdf_init (_HDF **hdf);
>
> [DllImport("libneo.so", EntryPoint="hdf_init")]
> [return: MarshalAs(UnmanagedType.LPStruct)]
> private static extern void hdf_init(
> [ MarshalAs(UnmanagedType.LPStruct)]
> LPHDF hdf);
>
> public static int Main(string[] argv) {
> Console.WriteLine("start test");
>
> LPHDF lphdf = new LPHDF();
> hdf_init(lphdf);
> Console.WriteLine(lphdf.hdf);
>
>
> return 0;
> }
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