diff --git a/include/input.h b/include/input.h
index 297f5fc..93e1f61 100644
--- a/include/input.h
+++ b/include/input.h
@@ -328,6 +328,6 @@ void ProcessInputEvents(void);
 
 void InitInput(
     int  /*argc*/,
-    char ** /*argv*/);
+    char ** /*argv*/) XFONT_LTO;
 
 #endif /* INPUT_H */
diff --git a/include/os.h b/include/os.h
index f4bba97..253bd8b 100644
--- a/include/os.h
+++ b/include/os.h
@@ -231,7 +231,7 @@ void OsCleanup(Bool);
 
 void OsVendorFatalError(void);
 
-void OsVendorInit(void);
+void OsVendorInit(void) XFONT_LTO;
 
 void OsBlockSignals (void);
 
@@ -320,9 +320,9 @@ XID GenerateAuthorization(
     char	** /* data_return */);
 
 
-int ddxProcessArgument(int /*argc*/, char * /*argv*/ [], int /*i*/);
+XFONT_LTO int ddxProcessArgument(int /*argc*/, char * /*argv*/ [], int /*i*/);
 
-void ddxUseMsg(void);
+void ddxUseMsg(void) XFONT_LTO;
 
 /* int ReqLen(xReq *req, ClientPtr client)
  * Given a pointer to a *complete* request, return its length in bytes.
diff --git a/include/scrnintstr.h b/include/scrnintstr.h
index 3058b70..bf725e5 100644
--- a/include/scrnintstr.h
+++ b/include/scrnintstr.h
@@ -527,6 +527,6 @@ extern ScreenInfo screenInfo;
 void InitOutput(
     ScreenInfo 	* /*pScreenInfo*/,
     int     	/*argc*/,
-    char    	** /*argv*/);
+    char    	** /*argv*/) XFONT_LTO;
 
 #endif /* SCREENINTSTRUCT_H */
diff --git a/kdrive/src/kdrive.h b/kdrive/src/kdrive.h
index f4313ed..a13ffa6 100644
--- a/kdrive/src/kdrive.h
+++ b/kdrive/src/kdrive.h
@@ -414,6 +414,6 @@ KdShadowSet(ScreenPtr pScreen, int randr, ShadowUpdateProc update,
 void KdShadowUnset(ScreenPtr pScreen);
 
 /* function prototypes to be implemented by the drivers */
-void InitCard(char *name);
+void InitCard(char *name) XFONT_LTO;
 
 #endif				/* _KDRIVE_H_ */