+extern struct afb_req afb_hreq_to_req(struct afb_hreq *hreq);
+
+extern void afb_hreq_drop_data(struct afb_hreq *hreq);
+
+extern void afb_hreq_iterate_arguments(struct afb_hreq *hreq, int (*iterator)(void *closure, const char *key, const char *value, int isfile), void *closure);