TODO

1 files changed, 7 insertions, 0 deletions

diff --git a/os.go b/os.go
index f8945bf..606a207 100644
--- a/os.go
+++ b/os.go
@@ -10,6 +10,13 @@ type _os interface {
 	Getpagesize() int
 }
 
+type file interface {
+	Fd() uintptr
+	ReadAt(b []byte, off int64) (n int, err error)
+	Stat() (fi os.FileInfo, err error)
+	WriteAt(b []byte, off int64) (n int, err error)
+}
+
 type sysos struct{}
 
 func (o *sysos) OpenFile(name string, flag int, perm os.FileMode) (file file, err error) {