+ int rc = ERR;
+
+ if (sp != 0) {
+#ifdef USE_PTHREADS
+ /*
+ * We might have this situation in a multithreaded application that
+ * has wgetch() reading in more than one thread. putp() and below
+ * may use SP explicitly.
+ */
+ if (_nc_use_pthreads && sp != CURRENT_SCREEN) {
+ SCREEN *save_sp;
+
+ /* cannot use use_screen(), since that is not in tinfo library */
+ _nc_lock_global(curses);
+ save_sp = CURRENT_SCREEN;
+ _nc_set_screen(sp);
+ rc = _nc_keypad(sp, flag);
+ _nc_set_screen(save_sp);
+ _nc_unlock_global(curses);
+ } else
+#endif