diff --git a/libfuse/lib/ffi.h b/libfuse/lib/ffi.h
new file mode 100644
index 00000000..5fc4b4e0
--- /dev/null
+++ b/libfuse/lib/ffi.h
@@ -0,0 +1,11 @@
+struct ffi
+{
+  uint64_t  nodeid;
+  uint64_t  gen;
+  uid_t     uid;
+  gid_t     gid;
+  pid_t     pid;
+  uint64_t  fh;
+  char     *name;
+  char      path[0];
+};