--- ray/src/rt/persist.c	2003/02/25 02:47:23	2.27
+++ ray/src/rt/persist.c	2003/10/20 16:01:55	2.32
@@ -1,5 +1,5 @@
 #ifndef lint
-static const char	RCSid[] = "$Id: persist.c,v 2.27 2003/02/25 02:47:23 greg Exp $";
+static const char	RCSid[] = "$Id: persist.c,v 2.32 2003/10/20 16:01:55 greg Exp $";
 #endif
 /*
  * Routines for persistent rtrace and rpict processes.
@@ -9,23 +9,23 @@ static const char	RCSid[] = "$Id: persist.c,v 2.27 200
 
 #include "copyright.h"
 
+#include <string.h>
+#include <signal.h>
+#include <sys/stat.h>
+
+#include "rtprocess.h" /* getpid() */
 #include "standard.h"
+#include "platform.h"
 #include "random.h"
 
 #ifdef F_SETLKW
 #include "paths.h"
 #include "selcall.h"
-#include <signal.h>
-#include <sys/stat.h>
 
 #ifndef TIMELIM
 #define TIMELIM		(8*3600)	/* time limit for holding pattern */
 #endif
 
-#ifndef freebsd
-#define	mkfifo(fn,md)	mknod(fn, S_IFIFO|(md), 0)
-#endif
-
 extern void	io_process();
 
 extern int	headismine;	/* boolean true if header belongs to me */
@@ -85,6 +85,7 @@ int	lf;
 }
 
 
+void
 persistfile(pfn)	/* open persist file and lock it */
 char	*pfn;
 {
@@ -136,7 +137,7 @@ pfhold()		/* holding pattern for idle rendering proces
 	n = strlen(buf);
 	if (write(persistfd, buf, n) < n)
 		error(SYSTEM, "error writing persist file");
-	lseek(persistfd, (off_t)0L, 0);
+	lseek(persistfd, (off_t)0, SEEK_SET);
 				/* wait TIMELIM for someone to signal us */
 	got_io = 0;
 	signal(SIGIO, sig_io);
@@ -204,26 +205,28 @@ io_process()		/* just act as go-between for actual pro
 	}
 	if (nr < 0)
 		error(SYSTEM, "error reading persist file");
+#ifndef _WIN32 /* XXX we need a replacement for that one */
 	ftruncate(persistfd, (off_t)0L);	/* truncate persist file */
+#endif
 	pfdetach();			/* close & release persist file */
 	buf[nr] = '\0';			/* parse what we got */
-	if ((cp = index(buf, ' ')) == NULL)
+	if ((cp = strchr(buf, ' ')) == NULL)
 		goto formerr;
 	*cp++ = '\0';
 	if ((pid = atoi(cp)) <= 0)
 		goto formerr;
-	if ((cp = index(cp, '\n')) == NULL)
+	if ((cp = strchr(cp, '\n')) == NULL)
 		goto formerr;
 	pfin = ++cp;
-	if ((cp = index(cp, '\n')) == NULL)
+	if ((cp = strchr(cp, '\n')) == NULL)
 		goto formerr;
 	*cp++ = '\0';
 	pfout = cp;
-	if ((cp = index(cp, '\n')) == NULL)
+	if ((cp = strchr(cp, '\n')) == NULL)
 		goto formerr;
 	*cp++ = '\0';
 	pferr = cp;
-	if ((cp = index(cp, '\n')) == NULL)
+	if ((cp = strchr(cp, '\n')) == NULL)
 		goto formerr;
 	*cp++ = '\0';
 	if (cp-buf != nr)