diff --git a/display.c b/display.c
new file mode 100644
index 0000000..53c5fdf
--- /dev/null
+++ b/display.c
@@ -0,0 +1 @@
+#include <stdio.h>
diff --git a/function.c b/function.c
new file mode 100644
index 0000000..53c5fdf
--- /dev/null
+++ b/function.c
@@ -0,0 +1 @@
+#include <stdio.h>