add struct stat decl

1 files changed, 2 insertions, 0 deletions

diff --git a/user.h b/user.h
index c3ee675..8280b2e 100644
--- a/user.h
+++ b/user.h
@@ -1,3 +1,5 @@
+struct stat;
+
 // system calls
 int fork(void);
 int exit(void) __attribute__((noreturn));