Index: parse.c
--- parse.c.orig
+++ parse.c
@@ -41,11 +41,13 @@ static char RCSinfo[]=
 "$XConsortium: parse.c,v 1.45 90/03/15 14:23:02 jim Exp $";
 #endif
 
+#include <sys/wait.h>
 #include <stdlib.h>
 #include <stdio.h>
 #include <ctype.h>
 #include <X11/Xos.h>
 #include <X11/Xmu/CharSet.h>
+#include <X11/Xmu/SysUtil.h>
 #include "twm.h"
 #include "screen.h"
 #include "menus.h"
@@ -1335,7 +1337,7 @@ do_squeeze_entry (name_list **list,			/* squeeze or do
 
 	if (!sinfo) {
 	    twmrc_error_prefix();
-	    fprintf (stderr, "unable to allocate %d bytes for squeeze info\n",
+	    fprintf (stderr, "unable to allocate %zu bytes for squeeze info\n",
 		     sizeof(SqueezeInfo));
 	    return;
 	}