+ char *btext, int bid, ...);
+void prefslist(struct prefslist *hdl, struct ctlpos *cp, char *stext,
+ int sid, int listid, int upbid, int dnbid);
+int handle_prefslist(struct prefslist *hdl,
+ int *array, int maxmemb,
+ int is_dlmsg, HWND hwnd,
+ WPARAM wParam, LPARAM lParam);