--- ray/src/px/pfilt.c	1992/09/21 12:14:17	2.4
+++ ray/src/px/pfilt.c	1992/11/12 09:05:17	2.7
@@ -10,12 +10,8 @@ static char SCCSid[] = "$SunId$ LBL";
  *     9/26/85
  */
 
-#include  <stdio.h>
+#include  "standard.h"
 
-#ifdef MSDOS
-#include  <fcntl.h>
-#endif
-
 #include  <signal.h>
 
 #include  "color.h"
@@ -24,7 +20,6 @@ static char SCCSid[] = "$SunId$ LBL";
 
 #include  "paths.h"
 
-extern char  *malloc();
 extern float  *matchlamp();
 
 #define	 FEQ(a,b)	((a) >= .98*(b) && (a) <= 1.02*(b))
@@ -76,7 +71,6 @@ main(argc, argv)
 int  argc;
 char  **argv;
 {
-	extern double  pow();
 	extern long  ftell();
 	extern int  quit(), headline();
 	FILE  *fin;
@@ -103,7 +97,7 @@ char  **argv;
 	signal(SIGXFSZ, quit);
 #endif
 
-	progname = argv[0];
+	progname = argv[0] = fixargv0(argv[0]);
 
 	for (i = 1; i < argc; i++)
 		if (argv[i][0] == '-')
@@ -335,13 +329,13 @@ FILE  *in;
 	}
 	for (i = 0; i < yres; i++) {
 		if (freadscan(scan, xres, in) < 0) {
-			nrows = nrows * i / yres;	/* adjust frame */
+			nrows = (long)nrows * i / yres;	/* adjust frame */
 			if (nrows <= 0) {
 				fprintf(stderr, "%s: empty frame\n", progname);
 				quit(1);
 			}
 			fprintf(stderr, "%s: warning - partial frame (%d%%)\n",
-					progname, 100*i/yres);
+					progname, (int)(100L*i/yres));
 			yres = i;
 			y_r = (double)nrows/yres;
 			break;