--- ray/src/px/pinterp.c	1992/05/26 15:23:09	2.6
+++ ray/src/px/pinterp.c	1992/10/02 16:24:22	2.9
@@ -12,8 +12,6 @@ static char SCCSid[] = "$SunId$ LBL";
 
 #include "standard.h"
 
-#include <fcntl.h>
-
 #include <ctype.h>
 
 #include "view.h"
@@ -199,10 +197,11 @@ char	*argv[];
 	}
 	normaspect(viewaspect(&ourview), &pixaspect, &hresolu, &vresolu);
 						/* allocate frame */
-	ourpict = (COLR *)malloc(hresolu*vresolu*sizeof(COLR));
-	ourzbuf = (float *)calloc(hresolu*vresolu,sizeof(float));
+	ourpict = (COLR *)bmalloc(hresolu*vresolu*sizeof(COLR));
+	ourzbuf = (float *)bmalloc(hresolu*vresolu*sizeof(float));
 	if (ourpict == NULL || ourzbuf == NULL)
 		syserror();
+	bzero((char *)ourzbuf, hresolu*vresolu*sizeof(float));
 							/* get input */
 	for ( ; i < argc; i += 2)
 		addpicture(argv[i], argv[i+1]);
@@ -387,7 +386,6 @@ COLR	*pline;
 float	*zline;
 struct position	*lasty;		/* input/output */
 {
-	extern double	sqrt();
 	FVECT	pos;
 	struct position	lastx, newpos;
 	register int	x;
@@ -635,7 +633,6 @@ writepicture()				/* write out picture */
 writedistance(fname)			/* write out z file */
 char	*fname;
 {
-	extern double	sqrt();
 	int	donorm = normdist && ourview.type == VT_PER;
 	int	fd;
 	int	y;