Index: libc/include/stdio.h
===================================================================
--- libc/include/stdio.h	(revision 83b1d615e01e930ba02ee27fc2052aec9aa5a60c)
+++ libc/include/stdio.h	(revision 3be84011147499dd07aaf39916c920996af5d75a)
@@ -35,4 +35,6 @@
 #define EOF (-1)
 
+#include <io/stream.h>
+
 extern int getchar(void);