--- ray/src/meta/plot4.c	2003/02/22 02:07:26	1.1
+++ ray/src/meta/plot4.c	2003/11/15 02:13:37	1.4
@@ -1,5 +1,5 @@
 #ifndef lint
-static const char	RCSid[] = "$Id: plot4.c,v 1.1 2003/02/22 02:07:26 greg Exp $";
+static const char	RCSid[] = "$Id: plot4.c,v 1.4 2003/11/15 02:13:37 schorsch Exp $";
 #endif
 /*
  *  plot4.c - program to put four metafile pages onto one.
@@ -8,7 +8,9 @@ static const char	RCSid[] = "$Id: plot4.c,v 1.1 2003/0
  *	7/10/86
  */
 
+#include  "rtprocess.h"
 #include  "meta.h"
+#include  "plot.h"
 
 
 #define  OUTFILT  "pexpand +OCIms"	/* output filter */
@@ -20,26 +22,22 @@ extern FILE  *pout;			/* the output stream */
 
 char  *progname;
 
+static void plot4(FILE  *fp);
+static void doseg(int  n);
 
-main(argc, argv)
-int  argc;
-char  *argv[];
+
+int
+main(
+	int  argc,
+	char  *argv[]
+)
 {
-#ifdef  UNIX
-	FILE  *popen();
-#endif
 	FILE  *fp;
 	int  i;
 
-#ifdef  CPM
-	fixargs("plot4", &argc, &argv);
-#endif
-
 	progname = argv[0];
 
-#ifdef  UNIX
 	pout = popen(OUTFILT, "w");
-#endif
 
 	if (argc > 1)
 		for (i = 1; i < argc; i++) {
@@ -52,16 +50,14 @@ char  *argv[];
 	
 	pglob(PEOF, 0200, NULL);
 
-#ifdef  UNIX
 	return(pclose(pout));
-#else
-	return(0);
-#endif
 }
 
 
-plot4(fp)			/* put a file into its place on page */
-FILE  *fp;
+void
+plot4(			/* put a file into its place on page */
+	FILE  *fp
+)
 {
 	static int  nplts = 0;
 	PRIMITIVE  curp;
@@ -80,8 +76,10 @@ FILE  *fp;
 }
 
 
-doseg(n)		/* do segment number n */
-int  n;
+void
+doseg(		/* do segment number n */
+	int  n
+)
 {
 	switch (n) {
 	case 0:				/* upper left */