--- ray/src/rt/ray.h	2009/12/12 00:03:42	2.30
+++ ray/src/rt/ray.h	2009/12/13 19:13:04	2.32
@@ -1,4 +1,4 @@
-/* RCSid $Id: ray.h,v 2.30 2009/12/12 00:03:42 greg Exp $ */
+/* RCSid $Id: ray.h,v 2.32 2009/12/13 19:13:04 greg Exp $ */
 /*
  *  ray.h - header file for routines using rays.
  */
@@ -201,6 +201,10 @@ extern int	ray_presult(RAY *r, int poll);
 extern void	ray_pdone(int freall);
 extern void	ray_popen(int nadd);
 extern void	ray_pclose(int nsub);
+					/* defined in ray_fifo.c */
+extern int	(*ray_fifo_out)(RAY *r);
+extern int	ray_fifo_in(RAY *r);
+extern int	ray_fifo_flush(void);
 					/* defined in raytrace.c */
 extern int	rayorigin(RAY *r, int rt, const RAY *ro, const COLOR rc);
 extern void	rayclear(RAY *r);
@@ -228,8 +232,8 @@ extern void init_drawsources(int rad);
 					/* defined in rt/initotypes.c */
 extern void initotypes(void);
 					/* module main procedures */
-extern void	rtrace(char *fname);
-extern char * formstr(int  f);
+extern void	rtrace(char *fname, int nproc);
+extern char	*formstr(int  f);
 extern void	rview(void);
 extern void	rpict(int seq, char *pout, char *zout, char *prvr);