port_send
(void) port_send(idmapd_ev_port, POKE_AUTO_DISCOVERY, NULL);
(void) port_send(idmapd_ev_port, KICK_AUTO_DISCOVERY, NULL);
(void) port_send(idmapd_ev_port, RECONFIGURE, NULL);
int port_send(int, int, void *);
static int port_send(port_t *, int, int, void *);
error = port_send(pp, PORT_SOURCE_USER, (int)a1, (void *)a2);