$NetBSD$

--- treetool/size.c.orig	1994-05-02 14:35:24.000000000 -0600
+++ treetool/size.c
@@ -419,7 +419,8 @@ treenode n;
 			a=0.0;
 		else
 			a=atan2(dy,dx);
-		sincos(a,&s,&c); /* s=sin, c=cos */
+		s=sin(a);
+		c=cos(a);
 
 		/* find vector from center of text to an edge, in the same direction
 			as the branch vector */
