+ These functions check the <STRONG>NCURSES_TRACE</STRONG> environment vari-
+ able, to set the tracing feature as if <STRONG>trace</STRONG> was called:
+
+ filter, initscr, new_prescr, newterm, nofilter,
+ restartterm, ripoffline, setupterm, slk_init, tge-
+ tent, use_env, use_extended_names, use_tioctl
+
+
+</PRE><H2><a name="h2-RETURN-VALUE">RETURN VALUE</a></H2><PRE>
+ Routines which return a value are designed to be used as