ATTRIBUTE_FPTR_PRINTF(1,0);
extern void (*deprecated_warning_hook) (const char *, va_list)
ATTRIBUTE_FPTR_PRINTF(1,0);
-extern void (*deprecated_interactive_hook) (void);
extern void (*deprecated_readline_begin_hook) (const char *, ...)
ATTRIBUTE_FPTR_PRINTF_1;
extern char *(*deprecated_readline_hook) (const char *);