diff --git a/libguestfs-inspect.h b/libguestfs-inspect.h
index c48ff7e..7f8c02a 100644
--- a/libguestfs-inspect.h
+++ b/libguestfs-inspect.h
@@ -1,3 +1,5 @@
+#include <czmq.h>
+
 enum guestfs_inspect_command_const {
   GUESTFS_COMMAND_LS,
   /* GUESTFS_COMMAND_TOUCH, */
@@ -6,6 +8,7 @@ enum guestfs_inspect_command_const {
 };
 
 struct guestfs_ls_args {
+  size_t paths_length;
   char **paths;
 };
 struct guestfs_cat_args {};
@@ -27,3 +30,22 @@ static char *endpoint() {
   return res;
 }
 
+static zmsg_t *command_to_zmsg(struct guestfs_inpsect_command *command) {
+  zmsg_t *res = zmsg_new();
+
+  zmsg_pushstr(res, command->name);
+  zmsg_pushmem(res, &(command->command), sizeof(command->command));
+
+  switch (command->command) {
+  case GUESTFS_COMMAND_LS:
+    zmsg_pushmem(res, &(command->args.ls.paths_length), sizeof(command->args.ls.paths_length));
+
+    for (size_t i = 0; i < (command->args.ls.paths_length); i++) {
+      zmsg_pushstr(res, command->args.ls.paths[i]);
+    }
+    break;
+  }
+
+  return res;
+}
+