--- ray/src/meta/dgraph.c	2003/08/01 14:14:24	1.2
+++ ray/src/meta/dgraph.c	2003/11/15 02:13:36	1.3
@@ -1,5 +1,5 @@
 #ifndef lint
-static const char	RCSid[] = "$Id: dgraph.c,v 1.2 2003/08/01 14:14:24 schorsch Exp $";
+static const char	RCSid[] = "$Id: dgraph.c,v 1.3 2003/11/15 02:13:36 schorsch Exp $";
 #endif
 /*
  *  dgraph.c - program to send plots to dumb terminal.
@@ -9,8 +9,12 @@ static const char	RCSid[] = "$Id: dgraph.c,v 1.2 2003/
  *     Greg Ward Larson
  */
 
+#include  <stdlib.h>
 #include  <stdio.h>
 
+#include  "rterror.h"
+#include  "mgvars.h"
+#include  "meta.h"
 
 #define  isopt(s)	(s[0] == '+' || s[0] == '-')
 
@@ -18,10 +22,14 @@ char  *progname;
 
 char  *libpath[4];
 
+static void dofile(int  optc, char  *optv[], char  *file);
 
-main(argc, argv)
-int  argc;
-char  *argv[];
+
+int
+main(
+	int  argc,
+	char  *argv[]
+)
 {
 	char  *getenv();
 	int  i, file0;
@@ -44,13 +52,16 @@ char  *argv[];
 			dofile(file0-1, argv+1, argv[i]);
 
 	quit(0);
+	return 0; /* pro forma return */
 }
 
 
-dofile(optc, optv, file)		/* plot a file */
-int  optc;
-char  *optv[];
-char  *file;
+void
+dofile(		/* plot a file */
+	int  optc,
+	char  *optv[],
+	char  *file
+)
 {
 	int  width = 79;
 	int  length = 21;
@@ -84,15 +95,19 @@ char  *file;
 }
 
 
-eputs(msg)				/* print error message */
-char  *msg;
+void
+eputs(				/* print error message */
+	char  *msg
+)
 {
 	fputs(msg, stderr);
 }
 
 
-quit(code)				/* quit program */
-int  code;
+void
+quit(				/* quit program */
+	int  code
+)
 {
 	exit(code);
 }