diff --git a/graphics/grOGL1.c b/graphics/grOGL1.c
index a1e69138..bf2bf3cb 100644
--- a/graphics/grOGL1.c
+++ b/graphics/grOGL1.c
@@ -434,7 +434,7 @@ pipehandler()
 	int 		key;
 	XKeyPressedEvent *KeyPressedEvent = (XKeyPressedEvent *) &xevent;
 
-	entry = HashLookOnly(&grOGLWindowTable, KeyPressedEvent->window);
+	entry = HashLookOnly(&grOGLWindowTable, (char *)KeyPressedEvent->window);
 	mw = (entry) ? (MagWindow *)HashGetValue(entry) : 0;
 
 	event = TxNewEvent();
@@ -457,7 +457,7 @@ pipehandler()
 
 	XButtonEvent *ButtonEvent = (XButtonEvent *) &xevent;
 
-	entry = HashLookOnly(&grOGLWindowTable, ButtonEvent->window);
+	entry = HashLookOnly(&grOGLWindowTable, (char *)ButtonEvent->window);
 	mw = (entry) ? (MagWindow *)HashGetValue(entry) : 0;
 
 	event = TxNewEvent();
@@ -504,7 +504,7 @@ pipehandler()
 	width = ConfigureEvent->width;
 	height = ConfigureEvent->height;
 
-	entry = HashLookOnly(&grOGLWindowTable, ConfigureEvent->window);
+	entry = HashLookOnly(&grOGLWindowTable, (char *)ConfigureEvent->window);
 	mw = (entry) ? (MagWindow *)HashGetValue(entry) : 0;
 
 	screenRect.r_xbot = ConfigureEvent->x;
@@ -525,7 +525,7 @@ pipehandler()
 	case VisibilityNotify:		{
 	    XVisibilityEvent *VisEvent = (XVisibilityEvent*) &xevent;
 
-	    entry = HashLookOnly(&grOGLWindowTable, VisEvent->window);
+	    entry = HashLookOnly(&grOGLWindowTable, (char *)VisEvent->window);
 	    mw = (entry)?(MagWindow *)HashGetValue(entry):0;
 
 	    switch(VisEvent->state)
@@ -555,7 +555,7 @@ pipehandler()
 	XEvent		discard;
 	XExposeEvent	*ExposeEvent = (XExposeEvent*) &xevent;
 
-	entry = HashLookOnly(&grOGLWindowTable, ExposeEvent->window);
+	entry = HashLookOnly(&grOGLWindowTable, (char *)ExposeEvent->window);
 	mw = (entry) ? (MagWindow *)HashGetValue(entry) : 0;
 	if (!mw)
 	    break;
@@ -586,7 +586,7 @@ pipehandler()
 
    	XAnyEvent 	*AnyEvent = (XAnyEvent *) &xevent;
 
-	entry = HashLookOnly(&grOGLWindowTable, AnyEvent->window);
+	entry = HashLookOnly(&grOGLWindowTable, (char *)AnyEvent->window);
 	mw = (entry)?(MagWindow *)HashGetValue(entry):0;
 
 	SigDisableInterrupts();
@@ -852,7 +852,7 @@ GrOGLCreate(w, name)
         glXMakeCurrent(grXdpy, (GLXDrawable)wind, grXcontext);
 
 	w->w_grdata = (ClientData) wind;
-	entry = HashFind(&grOGLWindowTable, wind);
+	entry = HashFind(&grOGLWindowTable, (char *)wind);
 	HashSetValue(entry,w);
 	XDefineCursor(grXdpy, wind, oglCurrent.cursor);
    	GrOGLIconUpdate(w, w->w_caption);
@@ -914,7 +914,7 @@ GrOGLDelete(w)
     HashEntry	*entry;
 
     xw = (Window) w->w_grdata;
-    entry = HashLookOnly(&grOGLWindowTable,xw);
+    entry = HashLookOnly(&grOGLWindowTable, (char *)xw);
     HashSetValue(entry,NULL);
 
     XDestroyWindow(grXdpy, xw);
diff --git a/graphics/grX11su1.c b/graphics/grX11su1.c
index 3720e21c..68deaee7 100644
--- a/graphics/grX11su1.c
+++ b/graphics/grX11su1.c
@@ -794,7 +794,7 @@ grX11Stdin()
 		}
 
 	        grCurrent.window = ButtonEvent->window;
-		entry = HashLookOnly(&grX11WindowTable,grCurrent.window);
+		entry = HashLookOnly(&grX11WindowTable, (char *)grCurrent.window);
 	        grCurrent.mw= (entry)?(MagWindow *)HashGetValue(entry):0;
 
 		event->txe_p.p_x = ButtonEvent->x;
@@ -811,7 +811,7 @@ grX11Stdin()
 	        event = TxNewEvent();
 
 	        grCurrent.window = KeyPressedEvent->window;
-		entry = HashLookOnly(&grX11WindowTable,grCurrent.window);
+		entry = HashLookOnly(&grX11WindowTable, (char *)grCurrent.window);
 	        grCurrent.mw= (entry)?(MagWindow *)HashGetValue(entry):0;
 
     		read(pipeRead, &c, sizeof(int));
@@ -832,7 +832,7 @@ grX11Stdin()
 		    MagWindow	*w;
 
 	            grCurrent.window = ExposeEvent->window;
-		    entry = HashLookOnly(&grX11WindowTable,grCurrent.window);
+		    entry = HashLookOnly(&grX11WindowTable, (char *)grCurrent.window);
 	            w = (entry)?(MagWindow *)HashGetValue(entry):0;
 	            grCurrent.mw=w;
 	            if (!w)
@@ -867,7 +867,7 @@ grX11Stdin()
 		    MagWindow	*w;
 
 	            grCurrent.window = ConfigureEvent->window;
-		    entry = HashLookOnly(&grX11WindowTable,grCurrent.window);
+		    entry = HashLookOnly(&grX11WindowTable, (char *)grCurrent.window);
 	            w = (entry)?(MagWindow *)HashGetValue(entry):0;
 	            grCurrent.mw=w;
 
@@ -888,7 +888,7 @@ grX11Stdin()
 		XVisibilityEvent *VisEvent = (XVisibilityEvent*) &xevent;
 		MagWindow	*w;
 
-		entry = HashLookOnly(&grX11WindowTable, VisEvent->window);
+		entry = HashLookOnly(&grX11WindowTable, (char *)VisEvent->window);
 		w = (entry)?(MagWindow *)HashGetValue(entry):0;
 		if (!w)
 		    break;
@@ -920,7 +920,7 @@ grX11Stdin()
 		    MagWindow	*w;
 
 	            grCurrent.window = anyEvent->window;
-		    entry = HashLookOnly(&grX11WindowTable, grCurrent.window);
+		    entry = HashLookOnly(&grX11WindowTable, (char *)grCurrent.window);
 	            w = (entry)?(MagWindow *)HashGetValue(entry):0;
 
 /* The line above is defintely NOT a good idea. w == 0 causes address
@@ -1233,7 +1233,7 @@ GrX11Create(w, name)
 	grCurrent.mw = w;
 	w->w_grdata = (ClientData) wind;
 
-	entry = HashFind(&grX11WindowTable,grCurrent.window);
+	entry = HashFind(&grX11WindowTable, (char *)grCurrent.window);
 	HashSetValue(entry,w);
 
         XDefineCursor(grXdpy, grCurrent.window,grCurrent.cursor);
@@ -1282,7 +1282,7 @@ GrX11Delete(w)
     HashEntry	*entry;
 
     xw = (Window) w->w_grdata;
-    entry = HashLookOnly(&grX11WindowTable,xw);
+    entry = HashLookOnly(&grX11WindowTable, (char *)xw);
     HashSetValue(entry,NULL);
 
     XDestroyWindow(grXdpy,xw);
diff --git a/windows/windCmdAM.c b/windows/windCmdAM.c
index e2ce0639..81f5d4a8 100644
--- a/windows/windCmdAM.c
+++ b/windows/windCmdAM.c
@@ -1120,7 +1120,7 @@ windDoMacro(w, cmd, interactive)
 
     if (cmd->tx_argc == argstart)
     {
-	h = HashLookOnly(&MacroClients, wc);
+	h = HashLookOnly(&MacroClients, (char *)wc);
 	if (h == NULL)
 	    return;
 	else