diff --git a/RTC.c b/RTC.c
index 2670ef6..9ece5ba 100644
--- a/RTC.c
+++ b/RTC.c
@@ -1,3 +1,6 @@
+void get_time(char*, char*);
+void set_time (void);
+
 void get_time(char* time, char* date) 
 { 
  RTC_DateTypeDef gDate;