--- editor/2x2_window.C.orig	Mon May  8 16:08:35 1995
+++ editor/2x2_window.C	Thu Feb  3 21:24:19 2000
@@ -25,6 +25,8 @@
 #include <iostream.h>
 #include <stdlib.h>
 
+extern "C" int XShmGetEventBase(Display *); 
+
 DblWindow::DblWindow(UI_Globals *parent, world_c x, world_c y, 
 			 unsigned int height, unsigned int width, void (*cb)(void) )
 : YUV_Window(parent,x,y,height*2,width*2,this, ButtonPressMask | 
@@ -139,7 +141,7 @@
       
       ximage = XCreateImage(DispPointer(),None,8,ZPixmap,0,&dummy,width*2,
 			    height*2,8,0);
-      ximage->data = new byte[ximage->bytes_per_line*height*2];
+      ximage->data = (char *) new byte[ximage->bytes_per_line*height*2];
       assert(ximage->data!=NULL);
 
 #ifdef SH_MEM
@@ -160,7 +162,7 @@
   for(int j = 0; j < ncolors; j ++)
     {
       tmp_pixel = col_array[j];
-      XFreeColors(DispPointer(), Colourmap, &tmp_pixel, 1, 0);
+      XFreeColors(DispPointer(), Colourmap, (long unsigned int *) &tmp_pixel, 1, 0);
     }
 
 #ifdef SH_MEM
@@ -259,7 +261,7 @@
 	  for(int j = 0; j < i; j ++)
 	    {
 	      tmp_pixel = col_array[j];
-	      XFreeColors(DispPointer(), Colourmap, &tmp_pixel, 1, 0);
+	      XFreeColors(DispPointer(), Colourmap, (long unsigned int *) &tmp_pixel, 1, 0);
 	    }
 	  cerr << "Unable to allocate the colours required to make the\n"
 	    << "colour window.  Please re-run with the option -private cols\n";
@@ -363,7 +365,7 @@
 {
   assert(Frame.width()==ximage->width/2);
   assert(Frame.height()==ximage->height/2);
-  DitherImage(Frame.lum_ptr(),Frame.Cr_ptr(),Frame.Cb_ptr(),ximage->data,
+  DitherImage(Frame.lum_ptr(),Frame.Cr_ptr(),Frame.Cb_ptr(),(unsigned char *)ximage->data,
 	      Frame.width(),Frame.height());
   if(nicely)
     {