extern void cgit_print_error(const char *fmt, ...);
__attribute__((format (printf,1,0)))
extern void cgit_vprint_error(const char *fmt, va_list ap);
+extern const struct date_mode *cgit_date_mode(const char *format);
extern void cgit_print_date(time_t secs, const char *format, int local_time);
extern void cgit_print_age(time_t t, time_t max_relative);
extern void cgit_print_http_headers(void);