/* create header for command, length to be filled in by user later */
extern void zclient_create_header (struct stream *, uint16_t, vrf_id_t);
+extern int zclient_read_header (struct stream *s, int sock, u_int16_t *size,
+ u_char *marker, u_char *version,
+ u_int16_t *vrf_id, u_int16_t *cmd);
extern struct interface *zebra_interface_add_read (struct stream *, vrf_id_t);
extern struct interface *zebra_interface_state_read (struct stream *s, vrf_id_t);