using System; using System.Runtime.InteropServices;
class P{
 [DllImport("kernel32.dll",CharSet=CharSet.Unicode,SetLastError=true)] static extern IntPtr LoadLibraryW(string n);
 [DllImport("kernel32.dll",CharSet=CharSet.Ansi,SetLastError=true)] static extern IntPtr GetProcAddress(IntPtr h,string n);
 static void Main(){
  string[] dlls={"spoolss.dll","winspool.drv","rpcrt4.dll","C:\\Windows\\System32\\spoolss.dll"};
  string[] fns={"RpcOpenPrinter","RpcOpenPrinterEx","RpcRemoteFindFirstPrinterChangeNotification","RpcRemoteFindFirstPrinterChangeNotificationEx","OpenPrinterW","RpcClosePrinter","RpcBindingFromStringBindingW","RpcStringBindingComposeW"};
  foreach(string d in dlls){ IntPtr h=LoadLibraryW(d); Console.WriteLine("DLL "+d+" h="+h);
   if(h==IntPtr.Zero) continue;
   foreach(string f in fns){ IntPtr p=GetProcAddress(h,f); if(p!=IntPtr.Zero) Console.WriteLine("  FOUND "+f); } }
 }}