pass4check
idesc.id_func = pass4check;
int pass4check(struct inodesc *);
idesc.id_func = pass4check;
idesc.id_func = pass4check;
(void)pass4check(&idesc);
idesc.id_func = pass4check;
int pass4check(struct inodesc *);
idesc.id_func = pass4check;
idesc.id_func = pass4check;
(void)pass4check(&idesc);