diff --git a/dlls/odbc32/proxyodbc.c b/dlls/odbc32/proxyodbc.c
index 3e8ba4e0731..4e81e9faba8 100644
--- a/dlls/odbc32/proxyodbc.c
+++ b/dlls/odbc32/proxyodbc.c
@@ -118,7 +118,7 @@ static DM_FUNC  template_func[] =
 
 static PROXYHANDLE gProxyHandle = {NULL, FALSE, FALSE, FALSE, ERROR_LIBRARY_NOT_FOUND}; 
 
-SQLRETURNTYPE  SQLDummyFunc()
+SQLRETURN SQLDummyFunc()
 {
     TRACE("SQLDummyFunc: \n");
     return SQL_SUCCESS;
diff --git a/dlls/ole32/bindctx.c b/dlls/ole32/bindctx.c
index 82d07aa12c3..6c7d65e2852 100644
--- a/dlls/ole32/bindctx.c
+++ b/dlls/ole32/bindctx.c
@@ -142,7 +142,7 @@ ULONG WINAPI BindCtxImpl_Release(IBindCtx* iface)
 
     if (This->ref==0){
 
-        /* release all registred objects */
+        /* release all registered objects */
         BindCtxImpl_ReleaseBoundObjects((IBindCtx*)This);
 
         BindCtxImpl_Destroy(This);
diff --git a/dlls/ole32/hglobalstream.c b/dlls/ole32/hglobalstream.c
index c0cd32379db..2e65c44da54 100644
--- a/dlls/ole32/hglobalstream.c
+++ b/dlls/ole32/hglobalstream.c
@@ -2,7 +2,7 @@
  * HGLOBAL Stream implementation
  *
  * This file contains the implementation of the stream interface
- * for streams contained suported by an HGLOBAL pointer.
+ * for streams contained supported by an HGLOBAL pointer.
  *
  * Copyright 1999 Francis Beaudet
  */
diff --git a/graphics/ttydrv/bitmap.c b/graphics/ttydrv/bitmap.c
index 75e07e00246..18a40d12292 100644
--- a/graphics/ttydrv/bitmap.c
+++ b/graphics/ttydrv/bitmap.c
@@ -131,15 +131,15 @@ HBITMAP TTYDRV_DC_BITMAP_SelectObject(DC *dc, HBITMAP hbitmap, BITMAPOBJ *bitmap
   TRACE("(%p, 0x%04x, %p)\n", dc, hbitmap, bitmap);
 
   if(!(dc->w.flags & DC_MEMORY)) 
-    return NULL;
+    return 0;
 
   /* Assure that the bitmap device dependent */
   if(!bitmap->DDBitmap && !TTYDRV_DC_CreateBitmap(hbitmap))
-    return NULL;
+    return 0;
 
   if(bitmap->DDBitmap->funcs != dc->funcs) {
     ERR("Trying to select a non-TTY DDB into a TTY DC\n");
-    return NULL;
+    return 0;
   }
 
   dc->w.totalExtent.left   = 0;
@@ -155,7 +155,7 @@ HBITMAP TTYDRV_DC_BITMAP_SelectObject(DC *dc, HBITMAP hbitmap, BITMAPOBJ *bitmap
     HRGN hrgn;
 
     if(!(hrgn = CreateRectRgn(0, 0, bitmap->bitmap.bmWidth, bitmap->bitmap.bmHeight)))
-      return NULL;
+      return 0;
 
     dc->w.hVisRgn = hrgn;
   }
diff --git a/misc/ddeml.c b/misc/ddeml.c
index 26d75c53426..c9d527c6ecc 100644
--- a/misc/ddeml.c
+++ b/misc/ddeml.c
@@ -541,7 +541,7 @@ UINT WINAPI DdeInitializeW( LPDWORD pidInst, PFNCALLBACK pfnCallback,
                                 DWORD afCmd, DWORD ulRes )
 {
 
-/*  probably not really capable of handling mutliple processes, but should handle
+/*  probably not really capable of handling multiple processes, but should handle
  *	multiple instances within one process */
 
     SECURITY_ATTRIBUTES *s_att= NULL;
diff --git a/misc/version.c b/misc/version.c
index 8ed9cc473e5..993f8f7d5ee 100644
--- a/misc/version.c
+++ b/misc/version.c
@@ -242,7 +242,7 @@ DWORD VERSION_GetLinkedDllVersion(PDB *pdb)
 	          WinVersion = DllVersion;
 	        else {
 	          if (WinVersion != DllVersion) {
-	            ERR("You mixed system dlls from different windows versions! Expect a chrash!\n");
+	            ERR("You mixed system dlls from different windows versions! Expect a crash!\n");
 	            return WIN31; /* this may let the exe exiting */
 	          }
 	        }
diff --git a/win32/process.c b/win32/process.c
index 320447d5064..6a3a894a789 100644
--- a/win32/process.c
+++ b/win32/process.c
@@ -32,7 +32,7 @@ DEFAULT_DEBUG_CHANNEL(win32)
  *             no need in offset correction, like in UnixTimeToFileTime
  *      FIXME: This function should be moved to a more appropriate .c file
  *      FIXME: On floating point operations, it is assumed that
- *             floating values are truncated on convertion to integer.
+ *             floating values are truncated on conversion to integer.
  */
 void Process_ClockTimeToFileTime( clock_t unix_time, LPFILETIME filetime )
 {
diff --git a/windows/x11drv/wnd.c b/windows/x11drv/wnd.c
index 5271ccce136..1ab2c673954 100644
--- a/windows/x11drv/wnd.c
+++ b/windows/x11drv/wnd.c
@@ -690,7 +690,7 @@ void X11DRV_WND_SurfaceCopy(WND* wndPtr, DC *dcPtr, INT dx, INT dy,
 void X11DRV_WND_SetDrawable(WND *wndPtr, DC *dc, WORD flags, BOOL bSetClipOrigin)
 {
     X11DRV_PDEVICE *physDev = (X11DRV_PDEVICE *)dc->physDev;
-    INT dcOrgXCopy, dcOrgYCopy;
+    INT dcOrgXCopy = 0, dcOrgYCopy = 0;
     BOOL offsetClipRgn = FALSE;
 
     if (!wndPtr)  /* Get a DC for the whole screen */