void state_mark_attach (STATE *);
void state_attach_puts (const char *, STATE *);
void state_prefix_putc (char, STATE *);
-int state_printf (STATE *, const char *, ...);
+int state_printf (STATE *, const char *, ...)
+ __attribute__((format(printf, 2, 3)));
void mutt_convert_to_state (iconv_t, char*, ssize_t*, STATE*);