+P(menu_has_help,bool,(struct menu *menu));
+P(menu_get_help,const char *,(struct menu *menu));
+P(get_symbol_str, void, (struct gstr *r, struct symbol *sym, struct list_head
+ *head));
+P(get_relations_str, struct gstr, (struct symbol **sym_arr, struct list_head
+ *head));
+P(menu_get_ext_help,void,(struct menu *menu, struct gstr *help));