donice
S_nice, donice, 0, INF,
extern int donice();
errs += donice(which, who, incr, prio_type,
errs += donice(which, who, incr, prio_type,
errs += donice(which, who, incr, prio_type,
errs += donice(which, who, incr, prio_type,
errs += donice(which, who, incr, prio_type, *argv);
errs += donice(which, who, prio, RENICE_PRIO_ABSOLUTE, *argv);
static int donice(int which, id_t who, int prio, int increment, char *who_s);
static int donice(procset_t *, pcnice_t *);
error = donice(&procset, &pcnice);