-#define YLOG_ERRNO 0x00000010 /* append strerror to message */
-/*#define YLOG_FILE 0x00000020 */
-/*#define YLOG_APP 0x00000040 */
- /* Application level events (new-connection) */
-#define YLOG_MALLOC 0x00000080 /* debugging mallocs */
-#define YLOG_NOTIME 0x00000100 /* do not output date and time */
-/* #define YLOG_APP2 0x00000200 */
- /* Application-level events, such as api calls */
-/* #define YLOG_APP3 0x00000400 */
- /* For more application-level events */
-#define YLOG_FLUSH 0x00000800 /* Flush log after every write (DEBUG does too) */
+/** \brief log level: append system error message */
+#define YLOG_ERRNO 0x00000010
+/** \brief log level: application */
+#define YLOG_APP 0x00000040
+/** \brief log level: malloc debug */
+#define YLOG_MALLOC 0x00000080
+/** \brief log level: do not output date and time */
+#define YLOG_NOTIME 0x00000100
+/** \brief log level: application 2 */
+#define YLOG_APP2 0x00000200
+/** \brief log level: application 3 */
+#define YLOG_APP3 0x00000400
+/** \brief log level: flush */
+#define YLOG_FLUSH 0x00000800
+/** \brief dynamic log level start */