diff --git a/roots.h b/roots.h
index cf59bfd..7132fed 100644
--- a/roots.h
+++ b/roots.h
@@ -38,4 +38,8 @@
 // it is mounted.
 int format_volume(const char* volume);
 
+int get_num_volumes();
+
+Volume* get_device_volumes();
+
 #endif  // RECOVERY_ROOTS_H_