-extern void verbose(int level, const char *file, int line, const char *fmt, ...) __attribute__((format(printf, 4, 5)));
-extern void vverbose(int level, const char *file, int line, const char *fmt, va_list args);
-
-# define ERROR(...) do{if(verbosity>=0)verbose(3,__FILE__,__LINE__,__VA_ARGS__);}while(0)
-# define WARNING(...) do{if(verbosity>=1)verbose(4,__FILE__,__LINE__,__VA_ARGS__);}while(0)
-# define NOTICE(...) do{if(verbosity>=1)verbose(5,__FILE__,__LINE__,__VA_ARGS__);}while(0)
-# define INFO(...) do{if(verbosity>=2)verbose(6,__FILE__,__LINE__,__VA_ARGS__);}while(0)
-# define DEBUG(...) do{if(verbosity>=3)verbose(7,__FILE__,__LINE__,__VA_ARGS__);}while(0)
+
+/*
+ Level is defined by syslog standard:
+ KERN_EMERG 0 System is unusable
+ KERN_ALERT 1 Action must be taken immediately
+ KERN_CRIT 2 Critical conditions
+ KERN_ERR 3 Error conditions
+ KERN_WARNING 4 Warning conditions
+ KERN_NOTICE 5 Normal but significant condition
+ KERN_INFO 6 Informational
+ KERN_DEBUG 7 Debug-level messages
+*/
+extern void verbose(int level, const char *file, int line, const char *function, const char *fmt, ...) __attribute__((format(printf, 5, 6)));
+extern void vverbose(int level, const char *file, int line, const char *function, const char *fmt, va_list args);
+
+# define ERROR(...) do{if(verbosity>=0)verbose(3,__FILE__,__LINE__,__func__,__VA_ARGS__);}while(0)
+# define WARNING(...) do{if(verbosity>=1)verbose(4,__FILE__,__LINE__,__func__,__VA_ARGS__);}while(0)
+# define NOTICE(...) do{if(verbosity>=1)verbose(5,__FILE__,__LINE__,__func__,__VA_ARGS__);}while(0)
+# define INFO(...) do{if(verbosity>=2)verbose(6,__FILE__,__LINE__,__func__,__VA_ARGS__);}while(0)
+# define DEBUG(...) do{if(verbosity>=3)verbose(7,__FILE__,__LINE__,__func__,__VA_ARGS__);}while(0)