--- ray/src/px/pfilt.c	2003/06/05 19:29:34	2.23
+++ ray/src/px/pfilt.c	2003/06/30 14:59:12	2.25
@@ -1,5 +1,5 @@
 #ifndef lint
-static const char RCSid[] = "$Id: pfilt.c,v 2.23 2003/06/05 19:29:34 schorsch Exp $";
+static const char RCSid[] = "$Id: pfilt.c,v 2.25 2003/06/30 14:59:12 schorsch Exp $";
 #endif
 /*
  *  pfilt.c - program to post-process picture file.
@@ -8,9 +8,13 @@ static const char RCSid[] = "$Id: pfilt.c,v 2.23 2003/
  *     6/23/93	Added additional buffers for value spreading
  */
 
+#include  "copyright.h"
+
 #include  <signal.h>
+#include  <string.h>
 
 #include  "standard.h"
+#include  "platform.h"
 #include  "color.h"
 #include  "view.h"
 #include  "paths.h"
@@ -97,10 +101,14 @@ char  **argv;
 	SET_FILE_BINARY(stdout);
 	if (signal(SIGINT, quit) == SIG_IGN)
 		signal(SIGINT, SIG_IGN);
+#ifdef SIGHUP
 	if (signal(SIGHUP, quit) == SIG_IGN)
 		signal(SIGHUP, SIG_IGN);
+#endif
 	signal(SIGTERM, quit);
+#ifdef SIGPIPE
 	signal(SIGPIPE, quit);
+#endif
 #ifdef	SIGXCPU
 	signal(SIGXCPU, quit);
 	signal(SIGXFSZ, quit);
@@ -536,7 +544,7 @@ int  r;
 			greybar[nextrow%obarsize][c] = (*ourbright)(ctmp);
 		}
 					/* and zero output scanline */
-		bzero((char *)scoutbar[nextrow%obarsize], ncols*sizeof(COLOR));
+		memset((char *)scoutbar[nextrow%obarsize], '\0', ncols*sizeof(COLOR));
 		nextrow++;
 	}
 					/* point to top scanline for output */