19078551 libneon version 0.29.6 needs a TPNO at the appropriate juncture
19078682 unrar version 4.2.4 needs a TPNO in due course
--- screen-4.0.2/misc.c 2003-12-05 19:15:41.000000000 +0530
+++ screen-4.0.2/misc.c 2006-04-03 16:46:19.150133000 +0530
@@ -613,7 +613,7 @@
*/
# endif /* NEEDSETENV */
#else /* USESETENV */
-# if defined(linux) || defined(__convex__) || (BSD >= 199103)
+# if defined(linux) || defined(__convex__) || (BSD >= 199103) || (__sun)
setenv(var, value, 1);
# else
setenv(var, value);