1 files changed, 3 insertions, 0 deletions
diff --git a/src/verb.h b/src/verb.h
index cdfbe98..348da49 100644
--- a/src/verb.h
+++ b/src/verb.h
@@ -30,6 +30,9 @@
  * callbacks.
  */
 
+struct child_data;
+typedef struct child_data user_t;
+
 struct verb_t;
 struct verb_class_t {
     const char *class_name;