+/* Get or set the last displayed symtab and line, which is, e.g. where we set a
+ * breakpoint when `break' is supplied with no arguments. */
+void clear_last_displayed_sal (void);
+int last_displayed_sal_is_valid (void);
+struct program_space* get_last_displayed_pspace (void);
+CORE_ADDR get_last_displayed_addr (void);
+struct symtab* get_last_displayed_symtab (void);
+int get_last_displayed_line (void);
+void get_last_displayed_sal (struct symtab_and_line *sal);
+