diff --git a/dlls/dplayx/Makefile.in b/dlls/dplayx/Makefile.in
index 8d41fdbad9e..63e8ba8db62 100644
--- a/dlls/dplayx/Makefile.in
+++ b/dlls/dplayx/Makefile.in
@@ -2,6 +2,8 @@ MODULE    = dplayx.dll
 IMPORTLIB = dplayx
 IMPORTS   = dxguid uuid winmm ole32 user32 advapi32
 
+EXTRADLLFLAGS = -mno-cygwin
+
 C_SRCS = \
 	dpclassfactory.c \
 	dplay.c \
diff --git a/dlls/dplayx/dplay.c b/dlls/dplayx/dplay.c
index 65c7e4df5d5..e7d6edc6a06 100644
--- a/dlls/dplayx/dplay.c
+++ b/dlls/dplayx/dplay.c
@@ -18,8 +18,6 @@
  */
 
 #define COBJMACROS
-#include "config.h"
-#include "wine/port.h"
 
 #include <stdarg.h>
 #include <string.h>
@@ -32,7 +30,6 @@
 #include "winnt.h"
 #include "winreg.h"
 #include "winnls.h"
-#include "wine/unicode.h"
 #include "wine/debug.h"
 
 #include "dplayx_global.h"
@@ -1440,14 +1437,14 @@ static BOOL DP_CopyDPNAMEStruct( LPDPNAME lpDst, const DPNAME *lpSrc, BOOL bAnsi
     if( lpSrc->u1.lpszShortNameA )
     {
         lpDst->u1.lpszShortName = HeapAlloc( GetProcessHeap(), 0,
-                                              (strlenW(lpSrc->u1.lpszShortName)+1)*sizeof(WCHAR) );
-        strcpyW( lpDst->u1.lpszShortName, lpSrc->u1.lpszShortName );
+                                              (lstrlenW(lpSrc->u1.lpszShortName)+1)*sizeof(WCHAR) );
+        lstrcpyW( lpDst->u1.lpszShortName, lpSrc->u1.lpszShortName );
     }
     if( lpSrc->u2.lpszLongNameA )
     {
         lpDst->u2.lpszLongName = HeapAlloc( GetProcessHeap(), 0,
-                                             (strlenW(lpSrc->u2.lpszLongName)+1)*sizeof(WCHAR) );
-        strcpyW( lpDst->u2.lpszLongName, lpSrc->u2.lpszLongName );
+                                             (lstrlenW(lpSrc->u2.lpszLongName)+1)*sizeof(WCHAR) );
+        lstrcpyW( lpDst->u2.lpszLongName, lpSrc->u2.lpszLongName );
     }
   }
 
diff --git a/dlls/dplayx/dplayx_global.c b/dlls/dplayx/dplayx_global.c
index bc087c8b33b..a544cd2196e 100644
--- a/dlls/dplayx/dplayx_global.c
+++ b/dlls/dplayx/dplayx_global.c
@@ -38,7 +38,6 @@
 #include "windef.h"
 #include "winbase.h"
 #include "winerror.h"
-#include "wine/unicode.h"
 
 #include "wingdi.h"
 #include "winuser.h"
@@ -624,18 +623,18 @@ static void DPLAYX_CopyConnStructW( LPDPLCONNECTION dest, const DPLCONNECTION *s
     /* Session names may or may not exist */
     if( src->lpSessionDesc->u1.lpszSessionName )
     {
-      strcpyW( (LPWSTR)lpStartOfFreeSpace, src->lpSessionDesc->u1.lpszSessionName );
+      lstrcpyW( (LPWSTR)lpStartOfFreeSpace, src->lpSessionDesc->u1.lpszSessionName );
       dest->lpSessionDesc->u1.lpszSessionName = (LPWSTR)lpStartOfFreeSpace;
       lpStartOfFreeSpace +=  sizeof(WCHAR) *
-        ( strlenW( dest->lpSessionDesc->u1.lpszSessionName ) + 1 );
+        ( lstrlenW( dest->lpSessionDesc->u1.lpszSessionName ) + 1 );
     }
 
     if( src->lpSessionDesc->u2.lpszPassword )
     {
-      strcpyW( (LPWSTR)lpStartOfFreeSpace, src->lpSessionDesc->u2.lpszPassword );
+      lstrcpyW( (LPWSTR)lpStartOfFreeSpace, src->lpSessionDesc->u2.lpszPassword );
       dest->lpSessionDesc->u2.lpszPassword = (LPWSTR)lpStartOfFreeSpace;
       lpStartOfFreeSpace +=  sizeof(WCHAR) *
-        ( strlenW( dest->lpSessionDesc->u2.lpszPassword ) + 1 );
+        ( lstrlenW( dest->lpSessionDesc->u2.lpszPassword ) + 1 );
     }
   }
 
@@ -648,18 +647,18 @@ static void DPLAYX_CopyConnStructW( LPDPLCONNECTION dest, const DPLCONNECTION *s
 
     if( src->lpPlayerName->u1.lpszShortName )
     {
-      strcpyW( (LPWSTR)lpStartOfFreeSpace, src->lpPlayerName->u1.lpszShortName );
+      lstrcpyW( (LPWSTR)lpStartOfFreeSpace, src->lpPlayerName->u1.lpszShortName );
       dest->lpPlayerName->u1.lpszShortName = (LPWSTR)lpStartOfFreeSpace;
       lpStartOfFreeSpace +=  sizeof(WCHAR) *
-        ( strlenW( dest->lpPlayerName->u1.lpszShortName ) + 1 );
+        ( lstrlenW( dest->lpPlayerName->u1.lpszShortName ) + 1 );
     }
 
     if( src->lpPlayerName->u2.lpszLongName )
     {
-      strcpyW( (LPWSTR)lpStartOfFreeSpace, src->lpPlayerName->u2.lpszLongName );
+      lstrcpyW( (LPWSTR)lpStartOfFreeSpace, src->lpPlayerName->u2.lpszLongName );
       dest->lpPlayerName->u2.lpszLongName = (LPWSTR)lpStartOfFreeSpace;
       lpStartOfFreeSpace +=  sizeof(WCHAR) *
-        ( strlenW( dest->lpPlayerName->u2.lpszLongName ) + 1 );
+        ( lstrlenW( dest->lpPlayerName->u2.lpszLongName ) + 1 );
     }
 
   }
@@ -739,13 +738,13 @@ static DWORD DPLAYX_SizeOfLobbyDataW( const DPLCONNECTION *lpConn )
     if( lpConn->lpSessionDesc->u1.lpszSessionName )
     {
       dwTotalSize += sizeof( WCHAR ) *
-        ( strlenW( lpConn->lpSessionDesc->u1.lpszSessionName ) + 1 );
+        ( lstrlenW( lpConn->lpSessionDesc->u1.lpszSessionName ) + 1 );
     }
 
     if( lpConn->lpSessionDesc->u2.lpszPassword )
     {
       dwTotalSize += sizeof( WCHAR ) *
-        ( strlenW( lpConn->lpSessionDesc->u2.lpszPassword ) + 1 );
+        ( lstrlenW( lpConn->lpSessionDesc->u2.lpszPassword ) + 1 );
     }
   }
 
@@ -756,13 +755,13 @@ static DWORD DPLAYX_SizeOfLobbyDataW( const DPLCONNECTION *lpConn )
     if( lpConn->lpPlayerName->u1.lpszShortName )
     {
       dwTotalSize += sizeof( WCHAR ) *
-        ( strlenW( lpConn->lpPlayerName->u1.lpszShortName ) + 1 );
+        ( lstrlenW( lpConn->lpPlayerName->u1.lpszShortName ) + 1 );
     }
 
     if( lpConn->lpPlayerName->u2.lpszLongName )
     {
       dwTotalSize += sizeof( WCHAR ) *
-        ( strlenW( lpConn->lpPlayerName->u2.lpszLongName ) + 1 );
+        ( lstrlenW( lpConn->lpPlayerName->u2.lpszLongName ) + 1 );
     }
 
   }
diff --git a/dlls/dplayx/name_server.c b/dlls/dplayx/name_server.c
index 7ca1500bfb3..f1ebc4403c1 100644
--- a/dlls/dplayx/name_server.c
+++ b/dlls/dplayx/name_server.c
@@ -27,7 +27,6 @@
 #include "windef.h"
 #include "winbase.h"
 #include "winnls.h"
-#include "wine/unicode.h"
 #include "wine/debug.h"
 #include "mmsystem.h"