Lines Matching defs:pf
2647 int pf[2];2682 if (pipe(pf) < 0)2689 close(w_or_r(pf[1], pf[0]));2691 dup(w_or_r(pf[0], pf[1]));2692 close(w_or_r(pf[0], pf[1]));2698 close(w_or_r(pf[0], pf[1]));2699 return (w_or_r(pf[1], pf[0]));