diff --git a/holberton.h b/holberton.h
new file mode 100644
index 0000000..22d9c78
--- /dev/null
+++ b/holberton.h
@@ -0,0 +1,6 @@
+#ifndef __HOLBERTON_H__
+#define __HOLBERTON_H__
+
+int _putchar(char c);
+
+#endif