--- ./vizgrammar.y.orig	Wed Sep  4 20:39:08 2002
+++ ./vizgrammar.y	Wed Sep  4 20:39:37 2002
@@ -71,11 +71,10 @@
 #include <ctype.h>
 #include "string.h"
 #include <errno.h>
+#include <stdlib.h>
 
 #include "viz.h"
 
-extern errno;
-extern char *malloc();
 extern int do_condense;
 
 static mathreg = 0;	/* For handling multiple-term math expressions */