dtrace_work
switch (dtrace_work(g_dtp, g_ofp, chew, chewrec, NULL)) {
switch (dtrace_work(g_dtp, stdout, NULL, chewrec, NULL)) {
extern dtrace_workstatus_t dtrace_work(dtrace_hdl_t *, FILE *,
switch (dtrace_work(dtp, NULL, dtj_chew, dtj_chewrec, jc)) {