+void uh_handle_request(struct client *cl);
+void client_poll_post_data(struct client *cl);
+void uh_client_read_cb(struct client *cl);
+void uh_client_notify_state(struct client *cl);
+
+void uh_auth_add(const char *path, const char *user, const char *pass);
+bool uh_auth_check(struct client *cl, struct path_info *pi);
+
+void uh_close_listen_fds(void);
+void uh_close_fds(void);
+
+void uh_interpreter_add(const char *ext, const char *path);
+void uh_dispatch_add(struct dispatch_handler *d);
+
+void uh_relay_open(struct client *cl, struct relay *r, int fd, int pid);
+void uh_relay_close(struct relay *r, int ret);
+void uh_relay_free(struct relay *r);
+void uh_relay_kill(struct client *cl, struct relay *r);
+
+struct env_var *uh_get_process_vars(struct client *cl, struct path_info *pi);
+bool uh_create_process(struct client *cl, struct path_info *pi, char *url,
+ void (*cb)(struct client *cl, struct path_info *pi, char *url));
+
+int uh_plugin_init(const char *name);
+void uh_plugin_post_init(void);
+
+static inline void uh_client_ref(struct client *cl)
+{
+ cl->refcount++;
+}
+
+static inline void uh_client_unref(struct client *cl)
+{
+ if (--cl->refcount)
+ return;
+
+ if (cl->state == CLIENT_STATE_CLEANUP)
+ ustream_state_change(cl->us);
+}