diff --git a/include/tty.h b/include/stdio.h
similarity index 83%
rename from include/tty.h
rename to include/stdio.h
index 6ec7d33..3c086ee 100644
--- a/include/tty.h
+++ b/include/stdio.h
@@ -1,10 +1,11 @@
 #pragma once
 
-#include <stddef.h>
 #include <stdarg.h>
 
 int putchar(int c);
 
+int puts(const char *str);
+
 int printf(const char *format, ...);
 
 int sprintf(char *str, const char *format, ...);
\ No newline at end of file