extern int vppcom_poll (vcl_poll_t * vp, uint32_t n_sids,
double wait_for_time);
extern int vppcom_mq_epoll_fd (void);
extern int vppcom_poll (vcl_poll_t * vp, uint32_t n_sids,
double wait_for_time);
extern int vppcom_mq_epoll_fd (void);
extern int vppcom_session_handle (uint32_t session_index);
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_handle (uint32_t session_index);
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);