ATTRIBUTE_FPTR_PRINTF_1;
extern char *(*deprecated_readline_hook) (const char *);
extern void (*deprecated_readline_end_hook) (void);
-extern void (*deprecated_register_changed_hook) (int regno);
extern void (*deprecated_context_hook) (int);
extern ptid_t (*deprecated_target_wait_hook) (ptid_t ptid,
struct target_waitstatus *status,