-int afb_websock_check(struct afb_hreq *hreq, int *later);
-struct afb_websock *afb_websock_create(struct MHD_Connection *connection);
+struct afb_hreq;
+struct afb_websock;
+
+extern int afb_websock_check(struct afb_hreq *hreq, int *later);
+extern struct afb_websock *afb_websock_create(struct afb_hreq *hreq);