diff --git a/utility.h b/utility.h
index 6ae550a..f90c281 100644
--- a/utility.h
+++ b/utility.h
@@ -9,4 +9,6 @@
 
 void startLogging(char *loggingDir);
 void writeLogg(const char *source_file, const char *function, const int line, const char *format, ...);
+struct sockaddr_in * get_ip_from_hostname(char *hostname);
+int get_ip_from_hostname_02(char * hostname , char* ip);
 #endif