diff --git a/nlsr-sync-0.0/utility.h b/nlsr-sync-0.0/utility.h
new file mode 100755
index 0000000..6ae550a
--- /dev/null
+++ b/nlsr-sync-0.0/utility.h
@@ -0,0 +1,12 @@
+#ifndef _UTILITY_H_
+#define _UTILITY_H_
+
+char * getLocalTimeStamp(void);
+char * getGmTimeStamp(void);
+long int get_current_time_sec(void);
+void get_current_timestamp_micro(char * microSec);
+long int get_time_diff(const char *time1, const char *time2);
+
+void startLogging(char *loggingDir);
+void writeLogg(const char *source_file, const char *function, const int line, const char *format, ...);
+#endif