+/*
+ * When using sp-funcs, locks are targeted to SCREEN-level granularity.
+ * So the locking is done in the non-sp-func (which calls the sp-func) rather
+ * than in the sp-func itself.
+ *
+ * Use the _nc_nonsp_XXX functions in the function using "NCURSES_SP_NAME()".
+ * Use the _nc_sp_XXX functions in the function using "#if NCURSES_SP_FUNCS".
+ */
+#if NCURSES_SP_FUNCS
+
+#define _nc_nonsp_lock_global(name) /* nothing */
+#define _nc_nonsp_try_global(name) 0
+#define _nc_nonsp_unlock_global(name) /* nothing */
+
+#define _nc_sp_lock_global(name) _nc_lock_global(name)
+#define _nc_sp_try_global(name) _nc_try_global(name)
+#define _nc_sp_unlock_global(name) _nc_unlock_global(name)
+
+#else
+
+#define _nc_nonsp_lock_global(name) _nc_lock_global(name)
+#define _nc_nonsp_try_global(name) _nc_try_global(name)
+#define _nc_nonsp_unlock_global(name) _nc_unlock_global(name)
+
+#define _nc_sp_lock_global(name) /* nothing */
+#define _nc_sp_try_global(name) 0
+#define _nc_sp_unlock_global(name) /* nothing */
+
+#endif
+