+void lex_ofs_error (struct lexer *, int ofs0, int ofs1, const char *, ...)
+ PRINTF_FORMAT (4, 5);
+
+void lex_msg (struct lexer *, enum msg_class, const char *, ...)
+ PRINTF_FORMAT (3, 4);
+void lex_next_msg (struct lexer *, enum msg_class, int n0, int n1,
+ const char *, ...)
+ PRINTF_FORMAT (5, 6);
+void lex_ofs_msg (struct lexer *, enum msg_class, int ofs0, int ofs1,
+ const char *, ...)
+ PRINTF_FORMAT (5, 6);
+void lex_ofs_msg_valist (struct lexer *lexer, enum msg_class,
+ int ofs0, int ofs1, const char *format, va_list)
+ PRINTF_FORMAT (5, 0);
+