Support exit status for exit/wait

One test case for returning a exit status
Passes usertests, but haven't used it to simplify tests

1 files changed, 2 insertions, 2 deletions

diff --git a/user/user.h b/user/user.h
index 0e01b85..03af731 100644
--- a/user/user.h
+++ b/user/user.h
@@ -3,8 +3,8 @@ struct rtcdate;
 
 // system calls
 int fork(void);
-int exit(void) __attribute__((noreturn));
-int wait(void);
+int exit(int) __attribute__((noreturn));
+int wait(int*);
 int pipe(int*);
 int write(int, const void*, int);
 int read(int, void*, int);