log_update
log_update(lp, NULL, 0, NULL);
log_update(lp, RD(q), SL_CONSOLE, log_console);
log_update(lp, RD(q), SL_TRACE, log_trace);
log_update(lp, RD(q), SL_ERROR, log_error);
log_update(&log_backlog, log_backlogq, SL_CONSOLE, log_console);
extern void log_update(log_t *, queue_t *, short, log_filter_t);