Lines Matching refs:dfd
113 static int dfd[2] = { -1, -1 };396 if (pipe(dfd) == -1) {413 (void)close(dfd[1]);416 n = read(dfd[0], &buf, 1);422 (void)close(dfd[0]);470 if (dfd[0] != -1 && dfd[1] != -1) {471 if (write(dfd[1], &buf, 1) != 1)474 close(dfd[1]);475 dfd[0] = dfd[1] = -1;