+extern int vppcom_mq_epoll_fd (void);
+extern int vppcom_session_index (vcl_session_handle_t session_handle);
+extern int vppcom_session_worker (vcl_session_handle_t session_handle);
+
+extern int vppcom_session_read_segments (uint32_t session_handle,
+ vppcom_data_segments_t ds);
+extern void vppcom_session_free_segments (uint32_t session_handle,
+ vppcom_data_segments_t ds);
+extern int vppcom_session_tls_add_cert (uint32_t session_handle, char *cert,
+ uint32_t cert_len);
+extern int vppcom_session_tls_add_key (uint32_t session_handle, char *key,
+ uint32_t key_len);
+extern int vppcom_data_segment_copy (void *buf, vppcom_data_segments_t ds,
+ uint32_t max_bytes);
+extern int vppcom_unformat_proto (uint8_t * proto, char *proto_str);
+extern int vppcom_session_is_connectable_listener (uint32_t session_handle);
+extern int vppcom_session_listener (uint32_t session_handle);
+extern int vppcom_session_n_accepted (uint32_t session_handle);
+
+/**
+ * Request from application to register a new worker
+ *
+ * Expectation is that applications will make use of this after a new pthread
+ * is spawned.
+ */
+extern int vppcom_worker_register (void);