extern debug_t debug_level;
extern void openlogger(const char *, logmode_t);
-extern void logger(int, const char *, ...) __attribute__ ((format(printf, 2, 3)));
+extern void logger(int, const char *, ...) __attribute__ ((__format__(printf, 2, 3)));
extern void closelogger(void);
#define ifdebug(l) if(debug_level >= DEBUG_##l)