diff --git a/include/consumer.h b/include/consumer.h
index e69de29..cdecfcc 100644
--- a/include/consumer.h
+++ b/include/consumer.h
@@ -0,0 +1,6 @@
+#ifndef CONSUMER_H
+#define CONSUMER_H
+
+void Consumer(void);
+
+#endif
\ No newline at end of file
diff --git a/include/producer.h b/include/producer.h
index e69de29..508193a 100644
--- a/include/producer.h
+++ b/include/producer.h
@@ -0,0 +1,6 @@
+#ifndef PRODUCER_H
+#define PRODUCER_H
+
+void Producer(void);
+
+#endif
\ No newline at end of file
diff --git a/src/consumer.c b/src/consumer.c
index 4ca6817..c1b518d 100644
--- a/src/consumer.c
+++ b/src/consumer.c
@@ -1,4 +1,6 @@
-void consumer(void)
+#include "consumer.h"
+
+void Consumer(void)
 {
     ;
 }
\ No newline at end of file
diff --git a/src/producer.c b/src/producer.c
index 1478cbb..2354032 100644
--- a/src/producer.c
+++ b/src/producer.c
@@ -1,4 +1,6 @@
-void producer(void)
+#include "producer.h"
+
+void Producer(void)
 {
     ;
 }
\ No newline at end of file