Index: modules/access/vcd/cdrom.c
===================================================================
--- modules/access/vcd/cdrom.c  (revision 18129)
+++ modules/access/vcd/cdrom.c  (working copy)
@@ -1151,8 +1151,8 @@
     else
     {
         HMODULE hASPI = NULL;
-        long (*lpGetSupport)( void ) = NULL;
-        long (*lpSendCommand)( void* ) = NULL;
+        GETASPI32SUPPORTINFO lpGetSupport = NULL;
+        GETASPI32COMMAND lpSendCommand = NULL;
         DWORD dwSupportInfo;
         int i, j, i_hostadapters;
         char c_drive = psz_dev[0];
@@ -1160,9 +1160,9 @@
         hASPI = LoadLibrary( "wnaspi32.dll" );
         if( hASPI != NULL )
         {
-            (FARPROC) lpGetSupport = GetProcAddress( hASPI,
+            lpGetSupport = (GETASPI32SUPPORTINFO) GetProcAddress( hASPI,
                                                      "GetASPI32SupportInfo" );
-            (FARPROC) lpSendCommand = GetProcAddress( hASPI,
+            lpSendCommand = (GETASPI32COMMAND) GetProcAddress( hASPI,
                                                       "SendASPI32Command" );
         }
 
Index: modules/access/vcd/cdrom_internals.h
===================================================================
--- modules/access/vcd/cdrom_internals.h        (revision 18129)
+++ modules/access/vcd/cdrom_internals.h        (working copy)
@@ -22,6 +22,11 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  *****************************************************************************/
 
+#ifdef WIN32
+typedef WINAPI DWORD (*GETASPI32SUPPORTINFO) (VOID);
+typedef WINAPI DWORD (*SENDASPI32COMMAND) (LPVOID);
+#endif
+
 /*****************************************************************************
  * The vcddev structure
  *****************************************************************************/
@@ -40,7 +45,7 @@
     HANDLE h_device_handle;                         /* vcd device descriptor */
     long  hASPI;
     short i_sid;
-    long  (*lpSendCommand)( void* );
+    SENDASPI32COMMAND lpSendCommand;
 
 #else
     int    i_device_handle;                         /* vcd device descriptor */