diff --git a/guestfs-inspectd.c b/guestfs-inspectd.c
index 1d8f8b7..a441986 100644
--- a/guestfs-inspectd.c
+++ b/guestfs-inspectd.c
@@ -5,6 +5,8 @@
 #include <zactor.h>
 #include <guestfs.h>
 
+#include "libguestfs-inspect.h"
+
 #define STREQ(a, b) (strcmp((a), (b)) == 0)
 
 static void *worker_task(char*);
diff --git a/libguestfs-inspect.h b/libguestfs-inspect.h
index e69de29..b25fe12 100644
--- a/libguestfs-inspect.h
+++ b/libguestfs-inspect.h
@@ -0,0 +1,23 @@
+enum guestfs_inspect_command {
+  GUESTFS_COMMAND_LS,
+  /* GUESTFS_COMMAND_TOUCH, */
+  /* GUESTFS_COMMAND_MKDIR, */
+  GUESTFS_COMMAND_CAT
+};
+
+struct guestfs_ls_args {
+  size_t path_length;
+  char path[];
+};
+struct guestfs_cat_args {};
+
+struct guestfs_inpsect_command {
+  enum guestfs_inspect_command command;
+  union {
+    struct guestfs_ls_args ls;
+    struct guestfs_cat_args cat;
+  } args;
+  size_t name_length;
+  char name[];
+};
+