--- ray/src/rt/m_mirror.c	1998/08/10 18:37:05	2.7
+++ ray/src/rt/m_mirror.c	2004/03/30 16:13:01	2.10
@@ -1,17 +1,15 @@
-/* Copyright (c) 1998 Silicon Graphics, Inc. */
-
 #ifndef lint
-static char SCCSid[] = "$SunId$ SGI";
+static const char	RCSid[] = "$Id: m_mirror.c,v 2.10 2004/03/30 16:13:01 schorsch Exp $";
 #endif
-
 /*
  * Routines for mirror material supporting virtual light sources
  */
 
-#include  "ray.h"
+#include "copyright.h"
 
+#include  "ray.h"
 #include  "otypes.h"
-
+#include  "rtotypes.h"
 #include  "source.h"
 
 /*
@@ -25,14 +23,17 @@ static char SCCSid[] = "$SunId$ SGI";
  * part of the direct calculation.
  */
 
+static int mir_proj(MAT4  pm, OBJREC  *o, SRCREC  *s, int  n);
+static void mirrorproj(MAT4  m, FVECT  nv, double  offs);
 
-int  mir_proj();
 VSMATERIAL  mirror_vs = {mir_proj, 1};
 
 
-m_mirror(m, r)			/* shade mirrored ray */
-register OBJREC  *m;
-register RAY  *r;
+extern int
+m_mirror(			/* shade mirrored ray */
+	register OBJREC  *m,
+	register RAY  *r
+)
 {
 	COLOR  mcolor;
 	RAY  nr;
@@ -97,11 +98,13 @@ register RAY  *r;
 }
 
 
-mir_proj(pm, o, s, n)		/* compute a mirror's projection */
-MAT4  pm;
-register OBJREC  *o;
-SRCREC  *s;
-int  n;
+static int
+mir_proj(		/* compute a mirror's projection */
+	MAT4  pm,
+	register OBJREC  *o,
+	SRCREC  *s,
+	int  n
+)
 {
 	FVECT  nv, sc;
 	double  od;
@@ -125,10 +128,12 @@ int  n;
 }
 
 
-mirrorproj(m, nv, offs)		/* get mirror projection for surface */
-register MAT4  m;
-FVECT  nv;
-double  offs;
+static void
+mirrorproj(		/* get mirror projection for surface */
+	register MAT4  m,
+	FVECT  nv,
+	double  offs
+)
 {
 	register int  i, j;
 					/* assign matrix */