1 files changed, 3 insertions, 2 deletions
diff --git a/defs.h b/defs.h
index 0b94488..5e3c1e4 100644
--- a/defs.h
+++ b/defs.h
@@ -115,6 +115,7 @@ void iunlock(struct inode *ip);
 void idecref(struct inode *ip);
 void iput(struct inode *ip);
 struct inode * namei(char *path);
-int readi(struct inode *ip, void *xdst, uint off, uint n);
-int writei(struct inode *ip, void *addr, uint off, uint n);
+int readi(struct inode *ip, char *xdst, uint off, uint n);
+int writei(struct inode *ip, char *addr, uint off, uint n);
 struct inode *mknod(struct inode *, char *, short, short, short);
+void iupdate (struct inode *ip);