void get_user_print_what_frame_info (gdb::optional<enum print_what> *what);
-/* Return 1 if we should display the address in addition to the location,
+/* Return true if we should display the address in addition to the location,
because we are in the middle of a statement. */
-int frame_show_address (struct frame_info *frame, struct symtab_and_line sal);
+bool frame_show_address (struct frame_info *frame, struct symtab_and_line sal);
/* 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. */