• LOG4C_PRIORITY_ALERT : priority.h
• LOG4C_PRIORITY_CRIT : priority.h
• LOG4C_PRIORITY_DEBUG : priority.h
• LOG4C_PRIORITY_ERROR : priority.h
• LOG4C_PRIORITY_FATAL : priority.h
• LOG4C_PRIORITY_INFO : priority.h
• LOG4C_PRIORITY_NOTICE : priority.h
• LOG4C_PRIORITY_NOTSET : priority.h
• LOG4C_PRIORITY_TRACE : priority.h
• LOG4C_PRIORITY_UNKNOWN : priority.h
• LOG4C_PRIORITY_WARN : priority.h