Index: src/dllmain.d
==================================================================
--- src/dllmain.d
+++ src/dllmain.d
@@ -1,7 +1,8 @@
 import core.sys.windows.dll;
 import core.sys.windows.windows;
+import std.stdio;
 
 //----------------------------------------------------------------
 // おきまりのDLL初期化ルーチン
 //----------------------------------------------------------------
 
@@ -13,10 +14,11 @@
 	case DLL_PROCESS_ATTACH:
 		dll_process_attach( inst, true );
 		break;
 
 	case DLL_PROCESS_DETACH:
+		_fcloseallp = null; // Do not close stdin/out/errs!!!
 		dll_process_detach( inst, true );
 		break;
 
 	case DLL_THREAD_ATTACH:
 		dll_thread_attach( true, true );
@@ -28,43 +30,5 @@
 
 	default:
 	}
 	return true;
 }
-
-/*
-// Hack!
-//
-// _acrtused_dllが勝手に終了時に標準入出力ハンドルを
-// 閉じちゃって困るので、その辺りだけは閉じないような
-// CloseHandleを突っ込んで回避。
-//
-// dmd v0.99 では動いていたのだけど最近のだとこれを入れると
-// 至る所でクラッシュするので考え直す必要がある。
-// TODO: bug report.
-
-extern(Windows)
-{
-	private alias BOOL function(HANDLE) ClHnT;
-	private ClHnT  Real_CloseHandle;
-	private HANDLE stdin;
-	private HANDLE stdout;
-	private HANDLE stderr;
-
-	BOOL CloseHandle( HANDLE h )
-	{
-		if( h==stdin  ) return TRUE;
-		if( h==stdout ) return TRUE;
-		if( h==stderr ) return TRUE;
-		return Real_CloseHandle(h);
-	}
-}
-
-static this()
-{
-	Real_CloseHandle = cast(ClHnT)
-		GetProcAddress( GetModuleHandleA("kernel32.dll"), "CloseHandle" );
-	stdin  = GetStdHandle(STD_INPUT_HANDLE );
-	stdout = GetStdHandle(STD_OUTPUT_HANDLE);
-	stderr = GetStdHandle(STD_ERROR_HANDLE );
-}
-*/

Index: src/testexe.d
==================================================================
--- src/testexe.d
+++ src/testexe.d
@@ -5,17 +5,17 @@
 
 alias extern(Windows) int function( HWND a, immutable char* b, char* c, DWORD d ) CmdFuncT;
 
 void main()
 {
-	HINSTANCE h = cast(HINSTANCE) Runtime.loadLibrary("QBga32.DLL");
 	for(;;) {
 		write("> ");
 		string s = readln();
 		if(s.length > 0) {
+			HINSTANCE h = cast(HINSTANCE) Runtime.loadLibrary("QBga32.DLL");
 			CmdFuncT Bga = cast(CmdFuncT)GetProcAddress(h, "Bga");
 			int r = Bga(NULL, s.toStringz(), null, 0);
+			Runtime.unloadLibrary(h);
 			writeln("Return: ", r);
 		}
 	}
-	Runtime.unloadLibrary(h);
 }