1 files changed, 2 insertions, 0 deletions
diff --git a/lib/stdio.c b/lib/stdio.c
index 67f0a54..7eac64c 100644
--- a/lib/stdio.c
+++ b/lib/stdio.c
@@ -1,9 +1,11 @@
 #include <stdarg.h>
 #include <stdio.h>
+#include <sys/types.h>
 #include <unistd.h>
 
 _syscall1(int, puts, char*, s);
 _syscall1(int, ctty, int, ctty);
+_syscall2(ssize_t, read, void*, buf, size_t, len);
 
 int printf(char *fmt, ...) {
   int ret;