diff --git a/main.c b/main.c
index 4093d6c..05acddd 100644
--- a/main.c
+++ b/main.c
@@ -1,3 +1,15 @@
+#include <stdint.h>
+#include <stdbool.h>
+#include "tm4c123gh6pm.h"
+
+
+void UART0_Init(void);
+void UART0_Write(char data);
+char UART0_Read(void);
+void PortF_Init(void);
+void LED_Control(char);
+
+
 int main(void)
 {