dotolwp
err_thread = dotolwp(procset, setthreadnice, (char *)pcnice);
err_thread = dotolwp(procset, setthreadprio, (char *)pcprio);
error = dotolwp(&procset, parmsset,
error = dotolwp(&procset, threadcmp,
extern int dotolwp(procset_t *, int (*)(), char *);