--- ray/src/px/pfilt.c	1996/10/02 16:56:16	2.19
+++ ray/src/px/pfilt.c	2003/02/25 00:26:05	2.22
@@ -1,9 +1,6 @@
-/* Copyright (c) 1996 Regents of the University of California */
-
 #ifndef lint
-static char SCCSid[] = "$SunId$ LBL";
+static const char RCSid[] = "$Id: pfilt.c,v 2.22 2003/02/25 00:26:05 greg Exp $";
 #endif
-
 /*
  *  pfilt.c - program to post-process picture file.
  *
@@ -19,15 +16,13 @@ static char SCCSid[] = "$SunId$ LBL";
 
 #include  "view.h"
 
-#include  "resolu.h"
-
 #include  "paths.h"
 
 extern float  *matchlamp();
 
 #define	 FEQ(a,b)	((a) >= .98*(b) && (a) <= 1.02*(b))
 
-double	 CHECKRAD = 1.5;	/* radius to check for filtering */
+double	 CHECKRAD = 2.0;	/* radius to check for filtering */
 
 #define  THRESHRAD	5.0	/* maximum sample spread in output */
 
@@ -92,8 +87,7 @@ main(argc, argv)
 int  argc;
 char  **argv;
 {
-	extern long  ftell();
-	extern int  quit(), headline();
+	extern int  headline();
 	FILE  *fin;
 	float  *lampcolor;
 	char  *lamptype = NULL;
@@ -205,7 +199,7 @@ char  **argv;
 			case 'm':
 				thresh = atof(argv[++i]);
 				if (rad <= FTINY)
-					rad = 1.0;
+					rad = 0.6;
 				break;
 			case 'b':
 				rad = thresh = 0.0;
@@ -332,6 +326,7 @@ COLOR  clr;
 double	(*ourbright)() = rgb_bright;
 
 
+int
 headline(s)				/* process line from header */
 char  *s;
 {
@@ -352,6 +347,7 @@ char  *s;
 			wrongformat = !globmatch(PICFMT, fmt);
 	} else if (isview(s) && sscanview(&ourview, s) > 0)
 		gotview++;
+	return(0);
 }
 
 
@@ -399,7 +395,7 @@ FILE  *in;
 		}
 		pass1scan(scan, i);
 	}
-	free((char *)scan);
+	free((void *)scan);
 }
 
 
@@ -571,6 +567,7 @@ scan2flush()			/* flush output buffer */
 }
 
 
+void
 quit(code)		/* remove temporary file and exit */
 int  code;
 {