diff --git a/include/wine/winbase16.h b/include/wine/winbase16.h
index 428cde9..7f8158f 100644
--- a/include/wine/winbase16.h
+++ b/include/wine/winbase16.h
@@ -166,16 +166,17 @@
 HGLOBAL16   WINAPI LockSegment16(HGLOBAL16);
 FARPROC16   WINAPI MakeProcInstance16(FARPROC16,HANDLE16);
 VOID        WINAPI OutputDebugString16(LPCSTR);
+DWORD       WINAPI RegCloseKey16(HKEY);
 DWORD       WINAPI RegCreateKey16(HKEY,LPCSTR,LPHKEY);
 DWORD       WINAPI RegDeleteKey16(HKEY,LPCSTR);
 DWORD       WINAPI RegDeleteValue16(HKEY,LPSTR);
 DWORD       WINAPI RegEnumKey16(HKEY,DWORD,LPSTR,DWORD);
 DWORD       WINAPI RegEnumValue16(HKEY,DWORD,LPSTR,LPDWORD,LPDWORD,LPDWORD,LPBYTE,LPDWORD);
 DWORD       WINAPI RegOpenKey16(HKEY,LPCSTR,LPHKEY);
-DWORD       WINAPI RegQueryValue16(HKEY,LPSTR,LPSTR,LPDWORD);
-DWORD       WINAPI RegQueryValueEx16(HKEY,LPSTR,LPDWORD,LPDWORD,LPBYTE,LPDWORD);
+DWORD       WINAPI RegQueryValue16(HKEY,LPCSTR,LPSTR,LPDWORD);
+DWORD       WINAPI RegQueryValueEx16(HKEY,LPCSTR,LPDWORD,LPDWORD,LPBYTE,LPDWORD);
 DWORD       WINAPI RegSetValue16(HKEY,LPCSTR,DWORD,LPCSTR,DWORD);
-DWORD       WINAPI RegSetValueEx16(HKEY,LPSTR,DWORD,DWORD,LPBYTE,DWORD);
+DWORD       WINAPI RegSetValueEx16(HKEY,LPCSTR,DWORD,DWORD,CONST BYTE*,DWORD);
 BOOL16      WINAPI RemoveDirectory16(LPCSTR);
 BOOL16      WINAPI SetCurrentDirectory16(LPCSTR);
 UINT16      WINAPI SetErrorMode16(UINT16);
diff --git a/include/winnt.h b/include/winnt.h
index e00a560..691bd3d 100644
--- a/include/winnt.h
+++ b/include/winnt.h
@@ -1282,6 +1282,9 @@
 #define GENERIC_EXECUTE            0x20000000
 #define GENERIC_ALL                0x10000000
 
+#define MAXIMUM_ALLOWED            0x02000000
+#define ACCESS_SYSTEM_SECURITY     0x01000000
+
 #define EVENT_MODIFY_STATE         0x0002
 #define EVENT_ALL_ACCESS           (STANDARD_RIGHTS_REQUIRED|SYNCHRONIZE|0x3)
 
diff --git a/include/winreg.h b/include/winreg.h
index 9b5e4cf..f072694 100644
--- a/include/winreg.h
+++ b/include/winreg.h
@@ -50,7 +50,6 @@
 #define	REG_OPTION_VOLATILE		0x00000001
 #define	REG_OPTION_CREATE_LINK		0x00000002
 #define	REG_OPTION_BACKUP_RESTORE	0x00000004 /* FIXME */
-#define	REG_OPTION_TAINTED		0x80000000 /* Internal? */
 
 #define REG_CREATED_NEW_KEY	0x00000001
 #define REG_OPENED_EXISTING_KEY	0x00000002