Pctlfd
(void) write(Pctlfd(P), ctl, sizeof (ctl));
(void) write(Pctlfd(t->t_pshandle), &cmd, sizeof (cmd));
int pfd = Pctlfd(P);
int pfd = Pctlfd(P);
extern int Pctlfd(struct ps_prochandle *);
if (write(Pctlfd(Pr), ctlp, sizeof (long) + ctlsize) < 0)
if (write(Pctlfd(Pr), &ctl, sizeof (ctl)) < 0)