diff --git a/dlls/advapi32/crypt.c b/dlls/advapi32/crypt.c
index fb221dc3e13..458d73a9b00 100644
--- a/dlls/advapi32/crypt.c
+++ b/dlls/advapi32/crypt.c
@@ -34,7 +34,7 @@ CryptAcquireContextA( HCRYPTPROV *phProv, LPCSTR pszContainer,
 BOOL WINAPI
 CryptSetKeyParam( HCRYPTKEY hKey, DWORD dwParam, BYTE *pbData, DWORD dwFlags)
 {
-    FIXME_(advapi)("(%x, %lx, %p, %lx): stub!\n",
+    FIXME_(advapi)("(%lx, %lx, %p, %lx): stub!\n",
 	hKey, dwParam, pbData, dwFlags);
     return FALSE;
 }
diff --git a/dlls/msacm32/internal.c b/dlls/msacm32/internal.c
index ca9f7026108..e1ad05f4f32 100644
--- a/dlls/msacm32/internal.c
+++ b/dlls/msacm32/internal.c
@@ -4,6 +4,8 @@
  *      Copyright 1998  Patrik Stridvall
  */
 
+#include <string.h>
+
 #include "winbase.h"
 #include "winuser.h"
 #include "winerror.h"
diff --git a/dlls/shell32/pidl.c b/dlls/shell32/pidl.c
index 5ba1694933e..f450f5bd8e2 100644
--- a/dlls/shell32/pidl.c
+++ b/dlls/shell32/pidl.c
@@ -302,7 +302,7 @@ HRESULT WINAPI SHILCreateFromPathW (LPCWSTR path, LPITEMIDLIST * ppidl, DWORD *
 
 	if (SUCCEEDED (SHGetDesktopFolder(&sf)))
 	{
-	  ret = IShellFolder_ParseDisplayName(sf,0, NULL, path, &pchEaten, ppidl, attributes);
+	  ret = IShellFolder_ParseDisplayName(sf,0, NULL, (LPWSTR) path, &pchEaten, ppidl, attributes);
 	  IShellFolder_Release(sf);
 	}
 	return ret;
diff --git a/include/wine/winestring.h b/include/wine/winestring.h
index a8eca1b6822..d6d2979c0ce 100644
--- a/include/wine/winestring.h
+++ b/include/wine/winestring.h
@@ -3,8 +3,8 @@
 
 #include "windef.h"
 
-INT         WINAPI WideCharToLocal(LPSTR,LPWSTR,INT);
-INT         WINAPI LocalToWideChar(LPWSTR,LPSTR,INT);
+INT         WINAPI WideCharToLocal(LPSTR,LPCWSTR,INT);
+INT         WINAPI LocalToWideChar(LPWSTR,LPCSTR,INT);
 LPWSTR      WINAPI lstrcpyAtoW(LPWSTR,LPCSTR);
 LPSTR       WINAPI lstrcpyWtoA(LPSTR,LPCWSTR);
 LPWSTR      WINAPI lstrcpynAtoW(LPWSTR,LPCSTR,INT);
diff --git a/memory/string.c b/memory/string.c
index a90621a15ec..41addcfd784 100644
--- a/memory/string.c
+++ b/memory/string.c
@@ -638,7 +638,7 @@ BOOL WINAPI OemToCharW( LPCSTR s, LPWSTR d )
  
 INT WINAPI WideCharToLocal(
     LPSTR pLocal, 
-		LPWSTR pWide, 
+		LPCWSTR pWide, 
 		INT dwChars)
 { *pLocal = 0;
   TRACE("(%p, %s, %i)\n",	pLocal, debugstr_w(pWide),dwChars);
@@ -654,7 +654,7 @@ INT WINAPI WideCharToLocal(
  */
 INT WINAPI LocalToWideChar(
     LPWSTR pWide, 
-		LPSTR pLocal, 
+		LPCSTR pLocal, 
 		INT dwChars)
 { *pWide = 0;
   TRACE("(%p, %s, %i)\n",pWide,	pLocal, dwChars);