$NetBSD: patch-demo_animation3_c,v 1.1 2013/04/14 00:15:27 dholland Exp $

- fix void main
- print pointers correctly (use %jd rather than %p as it appears they
  need to print in decimal)
- call execl() correctly

--- demo/animation3.c.orig	1995-02-08 18:54:17.000000000 +0000
+++ demo/animation3.c
@@ -69,16 +69,19 @@
 #include <stdlib.h> 
 #include <string.h> 
 #include <signal.h> 
+#include <unistd.h>
+#include <stdint.h>
 #include <sys/types.h>
 #include <sys/stat.h>
 #include "../src/globals.h"
 
+#define PRINTPTR(n) ((intmax_t)(intptr_t)n)
 
 /* Prototypes
  * ----------
  */
 
-void main		_PP((int argc, char *argv[]));
+int main		_PP((int argc, char *argv[]));
 void call_vcg		_PP((void));
 void signal_vcg		_PP((int k));
 void wait_for_vcg	_PP((void));
@@ -132,9 +135,9 @@ int ins[15] = { 
 char timep[20] = "1";
 
 #ifdef ANSI_C
-void main(int argc, char *argv[])
+int main(int argc, char *argv[])
 #else
-void main(argc, argv)
+int main(argc, argv)
 int argc;
 char *argv[];
 #endif
@@ -172,6 +175,7 @@ char *argv[];
 	signal_vcg(- SIGUSR2);	/* close vcg (does not work with X11) */
 	sleep(3);
 	signal_vcg(- SIGQUIT);	/* exit vcg  */
+	return 0;
 }
 
 
@@ -224,7 +228,7 @@ void call_vcg()
 #ifdef X11
 			"-geometry","200x200-30+30",
 #endif
-			filename,0L);
+			filename, (char *)NULL);
 		}
 		 /* NEVER REACHED */ 
 
@@ -762,8 +766,8 @@ NODE n;
 int i;
 #endif
 {
-       	FPRINTF(f,"         node: { title: \"%d\" label: \"%d\" ", 
-		n, n->num); 
+       	FPRINTF(f,"         node: { title: \"%jd\" label: \"%d\" ", 
+		PRINTPTR(n), n->num); 
        	FPRINTF(f,"width:  34 "); 
        	FPRINTF(f,"height: 34 "); 
 
@@ -797,8 +801,8 @@ int i;
 	if (n->sons==2) {
 		print_node(f,n->son[0], 0);
 
-       		FPRINTF(f,"         edge: { sourcename: \"%d\" ", n);
-		FPRINTF(f,"targetname: \"%d\" ", n->son[0]); 
+       		FPRINTF(f,"         edge: { sourcename: \"%jd\" ", PRINTPTR(n));
+		FPRINTF(f,"targetname: \"%jd\" ", PRINTPTR(n->son[0]));
 		if ((n->son[0])->col == RED) {
        			FPRINTF(f,"color: red "); 
        			FPRINTF(f,"linestyle: dotted "); 
@@ -810,8 +814,8 @@ int i;
 
 		print_node(f,n->son[1], 1);
 
-       		FPRINTF(f,"         edge: { sourcename: \"%d\" ", n);
-		FPRINTF(f,"targetname: \"%d\" ", n->son[1]); 
+       		FPRINTF(f,"         edge: { sourcename: \"%jd\" ", PRINTPTR(n));
+		FPRINTF(f,"targetname: \"%jd\" ", PRINTPTR(n->son[1]));
 		if ((n->son[1])->col == RED) {
        			FPRINTF(f,"color: red "); 
        			FPRINTF(f,"linestyle: dotted ");