}
__noreturn void afs_init(uint32_t cookie, int socket_fd);
-void afs_event(enum afs_events event, struct para_buffer *pb,
+__must_check int afs_event(enum afs_events event, struct para_buffer *pb,
void *data);
int send_callback_request(callback_function *f, struct osl_object *query,
callback_result_handler *result_handler,