--- ray/src/px/pflip.c	1995/10/16 11:40:11	2.4
+++ ray/src/px/pflip.c	2006/08/08 18:04:41	2.9
@@ -1,21 +1,16 @@
-/* Copyright (c) 1992 Regents of the University of California */
-
 #ifndef lint
-static char SCCSid[] = "$SunId$ LBL";
+static const char	RCSid[] = "$Id: pflip.c,v 2.9 2006/08/08 18:04:41 greg Exp $";
 #endif
-
 /*
  * flip picture file horizontally and/or vertically
  */
 
 #include <stdio.h>
+#include  <time.h>
+#include  <string.h>
 
-#ifdef MSDOS
-#include  <fcntl.h>
-#endif
-
+#include "platform.h"
 #include "color.h"
-
 #include "resolu.h"
 
 int	order;				/* input orientation */
@@ -31,11 +26,14 @@ FILE	*fin;				/* input file */
 
 char	*progname;
 
-extern char	*malloc();
 
+static void memerr(void);
+static void scanfile(void);
+static void flip(void);
 
-int
-neworder()			/* figure out new order from old */
+
+static int
+neworder(void)			/* figure out new order from old */
 {
 	register int  no;
 
@@ -51,18 +49,16 @@ neworder()			/* figure out new order from old */
 	return(no);
 }
 
-
-main(argc, argv)
-int	argc;
-char	*argv[];
+int
+main(
+	int	argc,
+	char	*argv[]
+)
 {
 	static char	picfmt[LPICFMT+1] = PICFMT;
 	int	i, rval;
-#ifdef MSDOS
-	extern int  _fmode;
-	_fmode = O_BINARY;
-	setmode(fileno(stdout), O_BINARY);
-#endif
+	SET_DEFAULT_BINARY();
+	SET_FILE_BINARY(stdout);
 	progname = argv[0];
 
 	for (i = 1; i < argc; i++)
@@ -80,7 +76,7 @@ char	*argv[];
 		exit(1);
 	}
 	if ((fin = fopen(argv[i], "r")) == NULL) {
-		fprintf(stderr, "%s: cannot open\n", argv[1]);
+		fprintf(stderr, "%s: cannot open\n", argv[i]);
 		exit(1);
 	}
 	if (i < argc-1 && freopen(argv[i+1], "w", stdout) == NULL) {
@@ -113,14 +109,16 @@ char	*argv[];
 }
 
 
-memerr()
+static void
+memerr(void)
 {
 	fprintf(stderr, "%s: out of memory\n", progname);
 	exit(1);
 }
 
 
-scanfile()				/* scan to the end of file */
+static void
+scanfile(void)				/* scan to the end of file */
 {
 	extern long	ftell();
 	COLR	*scanin;
@@ -138,11 +136,12 @@ scanfile()				/* scan to the end of file */
 		}
 	}
 	scanpos[0] = ftell(fin);
-	free((char *)scanin);
+	free((void *)scanin);
 }
 
 
-flip()					/* flip the picture */
+static void
+flip(void)					/* flip the picture */
 {
 	COLR	*scanin, *scanout;
 	int	y;
@@ -172,7 +171,7 @@ flip()					/* flip the picture */
 			exit(1);
 		}
 	}
-	free((char *)scanin);
+	free((void *)scanin);
 	if (fhoriz)
-		free((char *)scanout);
+		free((void *)scanout);
 }