246 void bt_info(const char *format, ...)  in bt_info()  argument
251 	va_start(args, format);  in bt_info()
253 	vaf.fmt = format;  in bt_info()
266 void bt_warn(const char *format, ...)  in bt_warn()  argument
271 	va_start(args, format);  in bt_warn()
273 	vaf.fmt = format;  in bt_warn()
286 void bt_err(const char *format, ...)  in bt_err()  argument
291 	va_start(args, format);  in bt_err()
293 	vaf.fmt = format;  in bt_err()
319 void bt_dbg(const char *format, ...)  in bt_dbg()  argument
327 	va_start(args, format);  in bt_dbg()
329 	vaf.fmt = format;  in bt_dbg()
346 void bt_warn_ratelimited(const char *format, ...)  in bt_warn_ratelimited()  argument
351 	va_start(args, format);  in bt_warn_ratelimited()
353 	vaf.fmt = format;  in bt_warn_ratelimited()
369 void bt_err_ratelimited(const char *format, ...)  in bt_err_ratelimited()  argument
374 	va_start(args, format);  in bt_err_ratelimited()
376 	vaf.fmt = format;  in bt_err_ratelimited()