1 files changed, 16 insertions, 0 deletions
diff --git a/fs/fd.h b/fs/fd.h
index a3bdb5a..429387b 100644
--- a/fs/fd.h
+++ b/fs/fd.h
@@ -8,6 +8,22 @@
 
 #include "fifo.h"
 
+/*
+typedef struct
+{
+    int(* seek)(int offset, int whence);
+
+    int(* read)(char *buf, int len);
+    int(* wrtie)(char *buf, int len);
+
+    int(* close)();
+    int(* stat)(void *buf);
+
+    void *data; //opaque
+
+}file;
+*/
+
 enum FD_TYPE{
     FD_TYPE_FIFO_BUFFERED=1,
     FD_TYPE_EXT2_FILE=2